Home / 1,703,668,278.80-2,553,738,821.40-925,670,147.60

Finding the Fourth Proportional to 1,703,668,278.80, 2,553,738,821.40 and 925,670,147.60

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Solution

The fourth proportional to 1,703,668,278.80, 2,553,738,821.40 and 925,670,147.60 is: 1,387,546,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,668,278.80 : 2,553,738,821.40 = 925,670,147.60 : x
  2. Step 2: Convert to fraction form
    1,703,668,278.80/2,553,738,821.40 = 925,670,147.60/x
  3. Step 3: Cross multiply
    1,703,668,278.80x = 2,553,738,821.40 × 925,670,147.60
  4. Step 4: Simplify right side
    1,703,668,278.80x = 2,363,919,791,737,188,352
  5. Step 5: Solve for x
    x = 2,363,919,791,737,188,352/1,703,668,278.80
  6. Step 6: Final answer
    x = 1,387,546,989.72

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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.