Home / 998,548,248.20-1,497,374,474.70-384,928,536.20

Finding the Fourth Proportional to 998,548,248.20, 1,497,374,474.70 and 384,928,536.20

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Solution

The fourth proportional to 998,548,248.20, 1,497,374,474.70 and 384,928,536.20 is: 577,220,145.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,548,248.20 : 1,497,374,474.70 = 384,928,536.20 : x
  2. Step 2: Convert to fraction form
    998,548,248.20/1,497,374,474.70 = 384,928,536.20/x
  3. Step 3: Cross multiply
    998,548,248.20x = 1,497,374,474.70 × 384,928,536.20
  4. Step 4: Simplify right side
    998,548,248.20x = 576,382,164,689,514,944
  5. Step 5: Solve for x
    x = 576,382,164,689,514,944/998,548,248.20
  6. Step 6: Final answer
    x = 577,220,145.07

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Double scale
Find fourth proportional to 998,548,249.20, 1,497,374,476.20 and 384,928,537.20
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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.