Home / 619,164,084.20-928,746,126.30-571,812,691.10

Finding the Fourth Proportional to 619,164,084.20, 928,746,126.30 and 571,812,691.10

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Solution

The fourth proportional to 619,164,084.20, 928,746,126.30 and 571,812,691.10 is: 857,719,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,164,084.20 : 928,746,126.30 = 571,812,691.10 : x
  2. Step 2: Convert to fraction form
    619,164,084.20/928,746,126.30 = 571,812,691.10/x
  3. Step 3: Cross multiply
    619,164,084.20x = 928,746,126.30 × 571,812,691.10
  4. Step 4: Simplify right side
    619,164,084.20x = 531,068,821,828,303,488
  5. Step 5: Solve for x
    x = 531,068,821,828,303,488/619,164,084.20
  6. Step 6: Final answer
    x = 857,719,036.65

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Double scale
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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.