Home / 347,530,694.40-521,484,998.40-143,079,436.80

Finding the Fourth Proportional to 347,530,694.40, 521,484,998.40 and 143,079,436.80

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Solution

The fourth proportional to 347,530,694.40, 521,484,998.40 and 143,079,436.80 is: 214,696,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,530,694.40 : 521,484,998.40 = 143,079,436.80 : x
  2. Step 2: Convert to fraction form
    347,530,694.40/521,484,998.40 = 143,079,436.80/x
  3. Step 3: Cross multiply
    347,530,694.40x = 521,484,998.40 × 143,079,436.80
  4. Step 4: Simplify right side
    347,530,694.40x = 74,613,779,870,720,896
  5. Step 5: Solve for x
    x = 74,613,779,870,720,896/347,530,694.40
  6. Step 6: Final answer
    x = 214,696,949.29

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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.