Home / 7,123,120,859.30-10,673,785,468.74-3,807,407,316.20

Finding the Fourth Proportional to 7,123,120,859.30, 10,673,785,468.74 and 3,807,407,316.20

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Solution

The fourth proportional to 7,123,120,859.30, 10,673,785,468.74 and 3,807,407,316.20 is: 5,705,287,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123,120,859.30 : 10,673,785,468.74 = 3,807,407,316.20 : x
  2. Step 2: Convert to fraction form
    7,123,120,859.30/10,673,785,468.74 = 3,807,407,316.20/x
  3. Step 3: Cross multiply
    7,123,120,859.30x = 10,673,785,468.74 × 3,807,407,316.20
  4. Step 4: Simplify right side
    7,123,120,859.30x = 40,639,448,885,187,977,216
  5. Step 5: Solve for x
    x = 40,639,448,885,187,977,216/7,123,120,859.30
  6. Step 6: Final answer
    x = 5,705,287,006.63

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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.