Home / 402,328,109.28-606,180,614.52-363,511,678.08

Finding the Fourth Proportional to 402,328,109.28, 606,180,614.52 and 363,511,678.08

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Solution

The fourth proportional to 402,328,109.28, 606,180,614.52 and 363,511,678.08 is: 547,696,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,328,109.28 : 606,180,614.52 = 363,511,678.08 : x
  2. Step 2: Convert to fraction form
    402,328,109.28/606,180,614.52 = 363,511,678.08/x
  3. Step 3: Cross multiply
    402,328,109.28x = 606,180,614.52 × 363,511,678.08
  4. Step 4: Simplify right side
    402,328,109.28x = 220,353,732,403,730,784
  5. Step 5: Solve for x
    x = 220,353,732,403,730,784/402,328,109.28
  6. Step 6: Final answer
    x = 547,696,587.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.