Home / 647,035,014.80-970,552,522.20-371,536,000.40

Finding the Fourth Proportional to 647,035,014.80, 970,552,522.20 and 371,536,000.40

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Solution

The fourth proportional to 647,035,014.80, 970,552,522.20 and 371,536,000.40 is: 557,304,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,035,014.80 : 970,552,522.20 = 371,536,000.40 : x
  2. Step 2: Convert to fraction form
    647,035,014.80/970,552,522.20 = 371,536,000.40/x
  3. Step 3: Cross multiply
    647,035,014.80x = 970,552,522.20 × 371,536,000.40
  4. Step 4: Simplify right side
    647,035,014.80x = 360,595,202,276,320,192
  5. Step 5: Solve for x
    x = 360,595,202,276,320,192/647,035,014.80
  6. Step 6: Final answer
    x = 557,304,000.60

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Similar ratio
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1.5x scale

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.