Home / 527,130,200.10-790,695,300.15-391,081,304.10

Finding the Fourth Proportional to 527,130,200.10, 790,695,300.15 and 391,081,304.10

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Solution

The fourth proportional to 527,130,200.10, 790,695,300.15 and 391,081,304.10 is: 586,621,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,130,200.10 : 790,695,300.15 = 391,081,304.10 : x
  2. Step 2: Convert to fraction form
    527,130,200.10/790,695,300.15 = 391,081,304.10/x
  3. Step 3: Cross multiply
    527,130,200.10x = 790,695,300.15 × 391,081,304.10
  4. Step 4: Simplify right side
    527,130,200.10x = 309,226,149,128,402,944
  5. Step 5: Solve for x
    x = 309,226,149,128,402,944/527,130,200.10
  6. Step 6: Final answer
    x = 586,621,956.15

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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.