Home / 224,412,480,564.48-309,689,390,144.20-121,530,398,864.71

Finding the Fourth Proportional to 224,412,480,564.48, 309,689,390,144.20 and 121,530,398,864.71

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Solution

The fourth proportional to 224,412,480,564.48, 309,689,390,144.20 and 121,530,398,864.71 is: 167,712,040,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,412,480,564.48 : 309,689,390,144.20 = 121,530,398,864.71 : x
  2. Step 2: Convert to fraction form
    224,412,480,564.48/309,689,390,144.20 = 121,530,398,864.71/x
  3. Step 3: Cross multiply
    224,412,480,564.48x = 309,689,390,144.20 × 121,530,398,864.71
  4. Step 4: Simplify right side
    224,412,480,564.48x = 37,636,675,108,393,420,062,720
  5. Step 5: Solve for x
    x = 37,636,675,108,393,420,062,720/224,412,480,564.48
  6. Step 6: Final answer
    x = 167,712,040,853.18

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1.5x scale

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.