Home / 521,520,772,085.10-782,281,158,127.65-500,950,179,009.90

Finding the Fourth Proportional to 521,520,772,085.10, 782,281,158,127.65 and 500,950,179,009.90

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Solution

The fourth proportional to 521,520,772,085.10, 782,281,158,127.65 and 500,950,179,009.90 is: 751,425,268,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,772,085.10 : 782,281,158,127.65 = 500,950,179,009.90 : x
  2. Step 2: Convert to fraction form
    521,520,772,085.10/782,281,158,127.65 = 500,950,179,009.90/x
  3. Step 3: Cross multiply
    521,520,772,085.10x = 782,281,158,127.65 × 500,950,179,009.90
  4. Step 4: Simplify right side
    521,520,772,085.10x = 391,883,886,200,118,174,547,968
  5. Step 5: Solve for x
    x = 391,883,886,200,118,174,547,968/521,520,772,085.10
  6. Step 6: Final answer
    x = 751,425,268,514.85

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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.