Home / 711,862,874.40-1,067,794,311.60-558,980,493.60

Finding the Fourth Proportional to 711,862,874.40, 1,067,794,311.60 and 558,980,493.60

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Solution

The fourth proportional to 711,862,874.40, 1,067,794,311.60 and 558,980,493.60 is: 838,470,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,862,874.40 : 1,067,794,311.60 = 558,980,493.60 : x
  2. Step 2: Convert to fraction form
    711,862,874.40/1,067,794,311.60 = 558,980,493.60/x
  3. Step 3: Cross multiply
    711,862,874.40x = 1,067,794,311.60 × 558,980,493.60
  4. Step 4: Simplify right side
    711,862,874.40x = 596,876,191,361,440,256
  5. Step 5: Solve for x
    x = 596,876,191,361,440,256/711,862,874.40
  6. Step 6: Final answer
    x = 838,470,740.40

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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.