Home / 578,897,000.80-868,080,080.40-255,614,466.40

Finding the Fourth Proportional to 578,897,000.80, 868,080,080.40 and 255,614,466.40

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Solution

The fourth proportional to 578,897,000.80, 868,080,080.40 and 255,614,466.40 is: 383,304,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,897,000.80 : 868,080,080.40 = 255,614,466.40 : x
  2. Step 2: Convert to fraction form
    578,897,000.80/868,080,080.40 = 255,614,466.40/x
  3. Step 3: Cross multiply
    578,897,000.80x = 868,080,080.40 × 255,614,466.40
  4. Step 4: Simplify right side
    578,897,000.80x = 221,893,826,543,915,104
  5. Step 5: Solve for x
    x = 221,893,826,543,915,104/578,897,000.80
  6. Step 6: Final answer
    x = 383,304,501.90

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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.