Home / 7,007,385,200.17-9,670,251,871.37-3,996,790,331.89

Finding the Fourth Proportional to 7,007,385,200.17, 9,670,251,871.37 and 3,996,790,331.89

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Solution

The fourth proportional to 7,007,385,200.17, 9,670,251,871.37 and 3,996,790,331.89 is: 5,515,605,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007,385,200.17 : 9,670,251,871.37 = 3,996,790,331.89 : x
  2. Step 2: Convert to fraction form
    7,007,385,200.17/9,670,251,871.37 = 3,996,790,331.89/x
  3. Step 3: Cross multiply
    7,007,385,200.17x = 9,670,251,871.37 × 3,996,790,331.89
  4. Step 4: Simplify right side
    7,007,385,200.17x = 38,649,969,186,388,631,552
  5. Step 5: Solve for x
    x = 38,649,969,186,388,631,552/7,007,385,200.17
  6. Step 6: Final answer
    x = 5,515,605,048.44

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1.5x scale

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.