Home / 361,338,242.40-542,007,363.60-260,057,397.60

Finding the Fourth Proportional to 361,338,242.40, 542,007,363.60 and 260,057,397.60

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Solution

The fourth proportional to 361,338,242.40, 542,007,363.60 and 260,057,397.60 is: 390,086,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,338,242.40 : 542,007,363.60 = 260,057,397.60 : x
  2. Step 2: Convert to fraction form
    361,338,242.40/542,007,363.60 = 260,057,397.60/x
  3. Step 3: Cross multiply
    361,338,242.40x = 542,007,363.60 × 260,057,397.60
  4. Step 4: Simplify right side
    361,338,242.40x = 140,953,024,457,852,976
  5. Step 5: Solve for x
    x = 140,953,024,457,852,976/361,338,242.40
  6. Step 6: Final answer
    x = 390,086,096.40

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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.