Home / 628,265,445.14-867,100,572.96-477,309,694.70

Finding the Fourth Proportional to 628,265,445.14, 867,100,572.96 and 477,309,694.70

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Solution

The fourth proportional to 628,265,445.14, 867,100,572.96 and 477,309,694.70 is: 658,758,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,265,445.14 : 867,100,572.96 = 477,309,694.70 : x
  2. Step 2: Convert to fraction form
    628,265,445.14/867,100,572.96 = 477,309,694.70/x
  3. Step 3: Cross multiply
    628,265,445.14x = 867,100,572.96 × 477,309,694.70
  4. Step 4: Simplify right side
    628,265,445.14x = 413,875,509,753,732,672
  5. Step 5: Solve for x
    x = 413,875,509,753,732,672/628,265,445.14
  6. Step 6: Final answer
    x = 658,758,989.46

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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.