Home / 2,598,377,261.70-3,897,565,892.55-851,636,982.90

Finding the Fourth Proportional to 2,598,377,261.70, 3,897,565,892.55 and 851,636,982.90

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Solution

The fourth proportional to 2,598,377,261.70, 3,897,565,892.55 and 851,636,982.90 is: 1,277,455,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598,377,261.70 : 3,897,565,892.55 = 851,636,982.90 : x
  2. Step 2: Convert to fraction form
    2,598,377,261.70/3,897,565,892.55 = 851,636,982.90/x
  3. Step 3: Cross multiply
    2,598,377,261.70x = 3,897,565,892.55 × 851,636,982.90
  4. Step 4: Simplify right side
    2,598,377,261.70x = 3,319,311,257,385,227,776
  5. Step 5: Solve for x
    x = 3,319,311,257,385,227,776/2,598,377,261.70
  6. Step 6: Final answer
    x = 1,277,455,474.35

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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.