Home / 998,014,743.60-1,497,022,115.40-739,734,417.60

Finding the Fourth Proportional to 998,014,743.60, 1,497,022,115.40 and 739,734,417.60

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Solution

The fourth proportional to 998,014,743.60, 1,497,022,115.40 and 739,734,417.60 is: 1,109,601,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,014,743.60 : 1,497,022,115.40 = 739,734,417.60 : x
  2. Step 2: Convert to fraction form
    998,014,743.60/1,497,022,115.40 = 739,734,417.60/x
  3. Step 3: Cross multiply
    998,014,743.60x = 1,497,022,115.40 × 739,734,417.60
  4. Step 4: Simplify right side
    998,014,743.60x = 1,107,398,782,669,739,136
  5. Step 5: Solve for x
    x = 1,107,398,782,669,739,136/998,014,743.60
  6. Step 6: Final answer
    x = 1,109,601,626.40

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Double scale
Find fourth proportional to 998,014,744.60, 1,497,022,116.90 and 739,734,418.60
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.