Home / 521,520,773,025.60-782,281,159,538.40-500,950,179,950.40

Finding the Fourth Proportional to 521,520,773,025.60, 782,281,159,538.40 and 500,950,179,950.40

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Solution

The fourth proportional to 521,520,773,025.60, 782,281,159,538.40 and 500,950,179,950.40 is: 751,425,269,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,773,025.60 : 782,281,159,538.40 = 500,950,179,950.40 : x
  2. Step 2: Convert to fraction form
    521,520,773,025.60/782,281,159,538.40 = 500,950,179,950.40/x
  3. Step 3: Cross multiply
    521,520,773,025.60x = 782,281,159,538.40 × 500,950,179,950.40
  4. Step 4: Simplify right side
    521,520,773,025.60x = 391,883,887,642,569,049,374,720
  5. Step 5: Solve for x
    x = 391,883,887,642,569,049,374,720/521,520,773,025.60
  6. Step 6: Final answer
    x = 751,425,269,925.60

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Double scale
Find fourth proportional to 521,520,773,026.60, 782,281,159,539.90 and 500,950,179,951.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.