Home / 551,247,337.36-826,827,615.78-240,347,616.40

Finding the Fourth Proportional to 551,247,337.36, 826,827,615.78 and 240,347,616.40

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Solution

The fourth proportional to 551,247,337.36, 826,827,615.78 and 240,347,616.40 is: 360,502,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,247,337.36 : 826,827,615.78 = 240,347,616.40 : x
  2. Step 2: Convert to fraction form
    551,247,337.36/826,827,615.78 = 240,347,616.40/x
  3. Step 3: Cross multiply
    551,247,337.36x = 826,827,615.78 × 240,347,616.40
  4. Step 4: Simplify right side
    551,247,337.36x = 198,726,046,626,418,016
  5. Step 5: Solve for x
    x = 198,726,046,626,418,016/551,247,337.36
  6. Step 6: Final answer
    x = 360,502,506.15

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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.