Home / 563,228,446.80-844,842,670.20-287,729,432.40

Finding the Fourth Proportional to 563,228,446.80, 844,842,670.20 and 287,729,432.40

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Solution

The fourth proportional to 563,228,446.80, 844,842,670.20 and 287,729,432.40 is: 431,594,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,228,446.80 : 844,842,670.20 = 287,729,432.40 : x
  2. Step 2: Convert to fraction form
    563,228,446.80/844,842,670.20 = 287,729,432.40/x
  3. Step 3: Cross multiply
    563,228,446.80x = 844,842,670.20 × 287,729,432.40
  4. Step 4: Simplify right side
    563,228,446.80x = 243,086,101,963,946,400
  5. Step 5: Solve for x
    x = 243,086,101,963,946,400/563,228,446.80
  6. Step 6: Final answer
    x = 431,594,148.60

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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.