Home / 484,406,772.90-726,716,447.55-156,897,399.30

Finding the Fourth Proportional to 484,406,772.90, 726,716,447.55 and 156,897,399.30

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Solution

The fourth proportional to 484,406,772.90, 726,716,447.55 and 156,897,399.30 is: 235,380,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,406,772.90 : 726,716,447.55 = 156,897,399.30 : x
  2. Step 2: Convert to fraction form
    484,406,772.90/726,716,447.55 = 156,897,399.30/x
  3. Step 3: Cross multiply
    484,406,772.90x = 726,716,447.55 × 156,897,399.30
  4. Step 4: Simplify right side
    484,406,772.90x = 114,019,920,649,129,856
  5. Step 5: Solve for x
    x = 114,019,920,649,129,856/484,406,772.90
  6. Step 6: Final answer
    x = 235,380,525.27

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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.