Home / 998,014,748.10-1,497,022,122.15-739,734,422.10

Finding the Fourth Proportional to 998,014,748.10, 1,497,022,122.15 and 739,734,422.10

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Solution

The fourth proportional to 998,014,748.10, 1,497,022,122.15 and 739,734,422.10 is: 1,109,601,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,014,748.10 : 1,497,022,122.15 = 739,734,422.10 : x
  2. Step 2: Convert to fraction form
    998,014,748.10/1,497,022,122.15 = 739,734,422.10/x
  3. Step 3: Cross multiply
    998,014,748.10x = 1,497,022,122.15 × 739,734,422.10
  4. Step 4: Simplify right side
    998,014,748.10x = 1,107,398,794,399,545,984
  5. Step 5: Solve for x
    x = 1,107,398,794,399,545,984/998,014,748.10
  6. Step 6: Final answer
    x = 1,109,601,633.15

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Half scale
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Double scale
Find fourth proportional to 998,014,749.10, 1,497,022,123.65 and 739,734,423.10
Similar ratio
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1.5x scale

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.