Home / 435,897,606.20-653,520,983.70-263,338,057.40

Finding the Fourth Proportional to 435,897,606.20, 653,520,983.70 and 263,338,057.40

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Solution

The fourth proportional to 435,897,606.20, 653,520,983.70 and 263,338,057.40 is: 394,810,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,897,606.20 : 653,520,983.70 = 263,338,057.40 : x
  2. Step 2: Convert to fraction form
    435,897,606.20/653,520,983.70 = 263,338,057.40/x
  3. Step 3: Cross multiply
    435,897,606.20x = 653,520,983.70 × 263,338,057.40
  4. Step 4: Simplify right side
    435,897,606.20x = 172,096,946,317,695,072
  5. Step 5: Solve for x
    x = 172,096,946,317,695,072/435,897,606.20
  6. Step 6: Final answer
    x = 394,810,487.30

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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.