Home / 399,528,023.10-599,292,034.65-126,926,346.30

Finding the Fourth Proportional to 399,528,023.10, 599,292,034.65 and 126,926,346.30

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Solution

The fourth proportional to 399,528,023.10, 599,292,034.65 and 126,926,346.30 is: 190,389,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,528,023.10 : 599,292,034.65 = 126,926,346.30 : x
  2. Step 2: Convert to fraction form
    399,528,023.10/599,292,034.65 = 126,926,346.30/x
  3. Step 3: Cross multiply
    399,528,023.10x = 599,292,034.65 × 126,926,346.30
  4. Step 4: Simplify right side
    399,528,023.10x = 76,065,948,324,817,488
  5. Step 5: Solve for x
    x = 76,065,948,324,817,488/399,528,023.10
  6. Step 6: Final answer
    x = 190,389,519.45

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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.