Home / 998,014,747.10-1,497,022,120.65-739,734,421.10

Finding the Fourth Proportional to 998,014,747.10, 1,497,022,120.65 and 739,734,421.10

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Solution

The fourth proportional to 998,014,747.10, 1,497,022,120.65 and 739,734,421.10 is: 1,109,601,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,014,747.10 : 1,497,022,120.65 = 739,734,421.10 : x
  2. Step 2: Convert to fraction form
    998,014,747.10/1,497,022,120.65 = 739,734,421.10/x
  3. Step 3: Cross multiply
    998,014,747.10x = 1,497,022,120.65 × 739,734,421.10
  4. Step 4: Simplify right side
    998,014,747.10x = 1,107,398,791,792,922,240
  5. Step 5: Solve for x
    x = 1,107,398,791,792,922,240/998,014,747.10
  6. Step 6: Final answer
    x = 1,109,601,631.65

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Half scale
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Double scale
Find fourth proportional to 998,014,748.10, 1,497,022,122.15 and 739,734,422.10
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.