Home / 508,728,006.30-763,147,996.65-185,681,862.30

Finding the Fourth Proportional to 508,728,006.30, 763,147,996.65 and 185,681,862.30

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Solution

The fourth proportional to 508,728,006.30, 763,147,996.65 and 185,681,862.30 is: 278,543,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,728,006.30 : 763,147,996.65 = 185,681,862.30 : x
  2. Step 2: Convert to fraction form
    508,728,006.30/763,147,996.65 = 185,681,862.30/x
  3. Step 3: Cross multiply
    508,728,006.30x = 763,147,996.65 × 185,681,862.30
  4. Step 4: Simplify right side
    508,728,006.30x = 141,702,741,228,486,160
  5. Step 5: Solve for x
    x = 141,702,741,228,486,160/508,728,006.30
  6. Step 6: Final answer
    x = 278,543,228.35

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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.