Home / 435,456,699.30-653,241,036.15-217,218,593.70

Finding the Fourth Proportional to 435,456,699.30, 653,241,036.15 and 217,218,593.70

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Solution

The fourth proportional to 435,456,699.30, 653,241,036.15 and 217,218,593.70 is: 325,855,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,456,699.30 : 653,241,036.15 = 217,218,593.70 : x
  2. Step 2: Convert to fraction form
    435,456,699.30/653,241,036.15 = 217,218,593.70/x
  3. Step 3: Cross multiply
    435,456,699.30x = 653,241,036.15 × 217,218,593.70
  4. Step 4: Simplify right side
    435,456,699.30x = 141,896,099,219,633,856
  5. Step 5: Solve for x
    x = 141,896,099,219,633,856/435,456,699.30
  6. Step 6: Final answer
    x = 325,855,818.61

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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.