Home / 484,406,690.40-726,716,323.80-156,897,316.80

Finding the Fourth Proportional to 484,406,690.40, 726,716,323.80 and 156,897,316.80

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Solution

The fourth proportional to 484,406,690.40, 726,716,323.80 and 156,897,316.80 is: 235,380,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,406,690.40 : 726,716,323.80 = 156,897,316.80 : x
  2. Step 2: Convert to fraction form
    484,406,690.40/726,716,323.80 = 156,897,316.80/x
  3. Step 3: Cross multiply
    484,406,690.40x = 726,716,323.80 × 156,897,316.80
  4. Step 4: Simplify right side
    484,406,690.40x = 114,019,841,278,979,984
  5. Step 5: Solve for x
    x = 114,019,841,278,979,984/484,406,690.40
  6. Step 6: Final answer
    x = 235,380,401.51

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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.