Home / 647,440,002.10-971,160,003.15-450,169,102.90

Finding the Fourth Proportional to 647,440,002.10, 971,160,003.15 and 450,169,102.90

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Solution

The fourth proportional to 647,440,002.10, 971,160,003.15 and 450,169,102.90 is: 675,253,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,440,002.10 : 971,160,003.15 = 450,169,102.90 : x
  2. Step 2: Convert to fraction form
    647,440,002.10/971,160,003.15 = 450,169,102.90/x
  3. Step 3: Cross multiply
    647,440,002.10x = 971,160,003.15 × 450,169,102.90
  4. Step 4: Simplify right side
    647,440,002.10x = 437,186,227,390,396,672
  5. Step 5: Solve for x
    x = 437,186,227,390,396,672/647,440,002.10
  6. Step 6: Final answer
    x = 675,253,654.35

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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.