Home / 867,736,123.20-1,301,079,677.76-349,561,365.12

Finding the Fourth Proportional to 867,736,123.20, 1,301,079,677.76 and 349,561,365.12

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Solution

The fourth proportional to 867,736,123.20, 1,301,079,677.76 and 349,561,365.12 is: 524,130,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,736,123.20 : 1,301,079,677.76 = 349,561,365.12 : x
  2. Step 2: Convert to fraction form
    867,736,123.20/1,301,079,677.76 = 349,561,365.12/x
  3. Step 3: Cross multiply
    867,736,123.20x = 1,301,079,677.76 × 349,561,365.12
  4. Step 4: Simplify right side
    867,736,123.20x = 454,807,188,287,675,328
  5. Step 5: Solve for x
    x = 454,807,188,287,675,328/867,736,123.20
  6. Step 6: Final answer
    x = 524,130,753.73

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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.