Home / 435,470,242.80-653,205,364.20-392,472,073.20

Finding the Fourth Proportional to 435,470,242.80, 653,205,364.20 and 392,472,073.20

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Solution

The fourth proportional to 435,470,242.80, 653,205,364.20 and 392,472,073.20 is: 588,708,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,470,242.80 : 653,205,364.20 = 392,472,073.20 : x
  2. Step 2: Convert to fraction form
    435,470,242.80/653,205,364.20 = 392,472,073.20/x
  3. Step 3: Cross multiply
    435,470,242.80x = 653,205,364.20 × 392,472,073.20
  4. Step 4: Simplify right side
    435,470,242.80x = 256,364,863,512,935,072
  5. Step 5: Solve for x
    x = 256,364,863,512,935,072/435,470,242.80
  6. Step 6: Final answer
    x = 588,708,109.80

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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.