Home / 359,396,328.11-537,676,061.06-272,209,003.79

Finding the Fourth Proportional to 359,396,328.11, 537,676,061.06 and 272,209,003.79

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Solution

The fourth proportional to 359,396,328.11, 537,676,061.06 and 272,209,003.79 is: 407,239,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,396,328.11 : 537,676,061.06 = 272,209,003.79 : x
  2. Step 2: Convert to fraction form
    359,396,328.11/537,676,061.06 = 272,209,003.79/x
  3. Step 3: Cross multiply
    359,396,328.11x = 537,676,061.06 × 272,209,003.79
  4. Step 4: Simplify right side
    359,396,328.11x = 146,360,264,940,865,952
  5. Step 5: Solve for x
    x = 146,360,264,940,865,952/359,396,328.11
  6. Step 6: Final answer
    x = 407,239,177.19

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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.