Home / 7,180,928,350,116.80-9,909,690,679,591.50-3,888,681,857,524.50

Finding the Fourth Proportional to 7,180,928,350,116.80, 9,909,690,679,591.50 and 3,888,681,857,524.50

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Solution

The fourth proportional to 7,180,928,350,116.80, 9,909,690,679,591.50 and 3,888,681,857,524.50 is: 5,366,386,138,469.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,928,350,116.80 : 9,909,690,679,591.50 = 3,888,681,857,524.50 : x
  2. Step 2: Convert to fraction form
    7,180,928,350,116.80/9,909,690,679,591.50 = 3,888,681,857,524.50/x
  3. Step 3: Cross multiply
    7,180,928,350,116.80x = 9,909,690,679,591.50 × 3,888,681,857,524.50
  4. Step 4: Simplify right side
    7,180,928,350,116.80x = 38,535,634,359,407,099,441,577,984
  5. Step 5: Solve for x
    x = 38,535,634,359,407,099,441,577,984/7,180,928,350,116.80
  6. Step 6: Final answer
    x = 5,366,386,138,469.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.