Home / 1,358,838,452.28-2,038,262,992.56-413,445,952.20

Finding the Fourth Proportional to 1,358,838,452.28, 2,038,262,992.56 and 413,445,952.20

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Solution

The fourth proportional to 1,358,838,452.28, 2,038,262,992.56 and 413,445,952.20 is: 620,170,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,838,452.28 : 2,038,262,992.56 = 413,445,952.20 : x
  2. Step 2: Convert to fraction form
    1,358,838,452.28/2,038,262,992.56 = 413,445,952.20/x
  3. Step 3: Cross multiply
    1,358,838,452.28x = 2,038,262,992.56 × 413,445,952.20
  4. Step 4: Simplify right side
    1,358,838,452.28x = 842,711,583,792,990,720
  5. Step 5: Solve for x
    x = 842,711,583,792,990,720/1,358,838,452.28
  6. Step 6: Final answer
    x = 620,170,545.20

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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.