Home / 399,528,035.10-599,292,052.65-126,926,358.30

Finding the Fourth Proportional to 399,528,035.10, 599,292,052.65 and 126,926,358.30

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Solution

The fourth proportional to 399,528,035.10, 599,292,052.65 and 126,926,358.30 is: 190,389,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,528,035.10 : 599,292,052.65 = 126,926,358.30 : x
  2. Step 2: Convert to fraction form
    399,528,035.10/599,292,052.65 = 126,926,358.30/x
  3. Step 3: Cross multiply
    399,528,035.10x = 599,292,052.65 × 126,926,358.30
  4. Step 4: Simplify right side
    399,528,035.10x = 76,065,957,800,996,352
  5. Step 5: Solve for x
    x = 76,065,957,800,996,352/399,528,035.10
  6. Step 6: Final answer
    x = 190,389,537.45

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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.