Home / 359,396,331.61-537,676,066.30-272,209,007.29

Finding the Fourth Proportional to 359,396,331.61, 537,676,066.30 and 272,209,007.29

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Solution

The fourth proportional to 359,396,331.61, 537,676,066.30 and 272,209,007.29 is: 407,239,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,396,331.61 : 537,676,066.30 = 272,209,007.29 : x
  2. Step 2: Convert to fraction form
    359,396,331.61/537,676,066.30 = 272,209,007.29/x
  3. Step 3: Cross multiply
    359,396,331.61x = 537,676,066.30 × 272,209,007.29
  4. Step 4: Simplify right side
    359,396,331.61x = 146,360,268,251,115,232
  5. Step 5: Solve for x
    x = 146,360,268,251,115,232/359,396,331.61
  6. Step 6: Final answer
    x = 407,239,182.42

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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.