Home / 887,595,338.60-1,331,393,007.90-370,396,957.40

Finding the Fourth Proportional to 887,595,338.60, 1,331,393,007.90 and 370,396,957.40

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Solution

The fourth proportional to 887,595,338.60, 1,331,393,007.90 and 370,396,957.40 is: 555,595,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,595,338.60 : 1,331,393,007.90 = 370,396,957.40 : x
  2. Step 2: Convert to fraction form
    887,595,338.60/1,331,393,007.90 = 370,396,957.40/x
  3. Step 3: Cross multiply
    887,595,338.60x = 1,331,393,007.90 × 370,396,957.40
  4. Step 4: Simplify right side
    887,595,338.60x = 493,143,919,229,794,176
  5. Step 5: Solve for x
    x = 493,143,919,229,794,176/887,595,338.60
  6. Step 6: Final answer
    x = 555,595,436.10

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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.