Home / 521,520,768,095.70-782,281,152,143.55-362,833,335,801.30

Finding the Fourth Proportional to 521,520,768,095.70, 782,281,152,143.55 and 362,833,335,801.30

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Solution

The fourth proportional to 521,520,768,095.70, 782,281,152,143.55 and 362,833,335,801.30 is: 544,250,003,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,768,095.70 : 782,281,152,143.55 = 362,833,335,801.30 : x
  2. Step 2: Convert to fraction form
    521,520,768,095.70/782,281,152,143.55 = 362,833,335,801.30/x
  3. Step 3: Cross multiply
    521,520,768,095.70x = 782,281,152,143.55 × 362,833,335,801.30
  4. Step 4: Simplify right side
    521,520,768,095.70x = 283,837,679,966,728,530,952,192
  5. Step 5: Solve for x
    x = 283,837,679,966,728,530,952,192/521,520,768,095.70
  6. Step 6: Final answer
    x = 544,250,003,701.95

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Double scale
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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.