Home / 998,488,727.20-1,497,733,090.80-454,293,143.20

Finding the Fourth Proportional to 998,488,727.20, 1,497,733,090.80 and 454,293,143.20

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Solution

The fourth proportional to 998,488,727.20, 1,497,733,090.80 and 454,293,143.20 is: 681,439,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,488,727.20 : 1,497,733,090.80 = 454,293,143.20 : x
  2. Step 2: Convert to fraction form
    998,488,727.20/1,497,733,090.80 = 454,293,143.20/x
  3. Step 3: Cross multiply
    998,488,727.20x = 1,497,733,090.80 × 454,293,143.20
  4. Step 4: Simplify right side
    998,488,727.20x = 680,409,873,494,182,912
  5. Step 5: Solve for x
    x = 680,409,873,494,182,912/998,488,727.20
  6. Step 6: Final answer
    x = 681,439,714.80

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Double scale
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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.