Home / 393,726,025.04-590,508,869.86-144,645,673.72

Finding the Fourth Proportional to 393,726,025.04, 590,508,869.86 and 144,645,673.72

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Solution

The fourth proportional to 393,726,025.04, 590,508,869.86 and 144,645,673.72 is: 216,939,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,726,025.04 : 590,508,869.86 = 144,645,673.72 : x
  2. Step 2: Convert to fraction form
    393,726,025.04/590,508,869.86 = 144,645,673.72/x
  3. Step 3: Cross multiply
    393,726,025.04x = 590,508,869.86 × 144,645,673.72
  4. Step 4: Simplify right side
    393,726,025.04x = 85,414,553,318,535,504
  5. Step 5: Solve for x
    x = 85,414,553,318,535,504/393,726,025.04
  6. Step 6: Final answer
    x = 216,939,058.85

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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.