Home / 521,520,778,892.90-782,281,168,339.35-501,684,849,856.10

Finding the Fourth Proportional to 521,520,778,892.90, 782,281,168,339.35 and 501,684,849,856.10

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Solution

The fourth proportional to 521,520,778,892.90, 782,281,168,339.35 and 501,684,849,856.10 is: 752,527,274,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,778,892.90 : 782,281,168,339.35 = 501,684,849,856.10 : x
  2. Step 2: Convert to fraction form
    521,520,778,892.90/782,281,168,339.35 = 501,684,849,856.10/x
  3. Step 3: Cross multiply
    521,520,778,892.90x = 782,281,168,339.35 × 501,684,849,856.10
  4. Step 4: Simplify right side
    521,520,778,892.90x = 392,458,610,483,581,258,039,296
  5. Step 5: Solve for x
    x = 392,458,610,483,581,258,039,296/521,520,778,892.90
  6. Step 6: Final answer
    x = 752,527,274,784.15

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Double scale
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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.