Home / 710,024,769.60-979,815,933-396,761,557.20

Finding the Fourth Proportional to 710,024,769.60, 979,815,933 and 396,761,557.20

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Solution

The fourth proportional to 710,024,769.60, 979,815,933 and 396,761,557.20 is: 547,520,751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,024,769.60 : 979,815,933 = 396,761,557.20 : x
  2. Step 2: Convert to fraction form
    710,024,769.60/979,815,933 = 396,761,557.20/x
  3. Step 3: Cross multiply
    710,024,769.60x = 979,815,933 × 396,761,557.20
  4. Step 4: Simplify right side
    710,024,769.60x = 388,753,295,346,450,880
  5. Step 5: Solve for x
    x = 388,753,295,346,450,880/710,024,769.60
  6. Step 6: Final answer
    x = 547,520,751.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.