Home / 435,456,010.80-653,240,003.40-217,217,905.20

Finding the Fourth Proportional to 435,456,010.80, 653,240,003.40 and 217,217,905.20

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Solution

The fourth proportional to 435,456,010.80, 653,240,003.40 and 217,217,905.20 is: 325,854,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,456,010.80 : 653,240,003.40 = 217,217,905.20 : x
  2. Step 2: Convert to fraction form
    435,456,010.80/653,240,003.40 = 217,217,905.20/x
  3. Step 3: Cross multiply
    435,456,010.80x = 653,240,003.40 × 217,217,905.20
  4. Step 4: Simplify right side
    435,456,010.80x = 141,895,425,131,388,864
  5. Step 5: Solve for x
    x = 141,895,425,131,388,864/435,456,010.80
  6. Step 6: Final answer
    x = 325,854,785.82

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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.