Home / 1,508,207,169.55-2,081,614,053.65-998,671,167.82

Finding the Fourth Proportional to 1,508,207,169.55, 2,081,614,053.65 and 998,671,167.82

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Solution

The fourth proportional to 1,508,207,169.55, 2,081,614,053.65 and 998,671,167.82 is: 1,378,357,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,207,169.55 : 2,081,614,053.65 = 998,671,167.82 : x
  2. Step 2: Convert to fraction form
    1,508,207,169.55/2,081,614,053.65 = 998,671,167.82/x
  3. Step 3: Cross multiply
    1,508,207,169.55x = 2,081,614,053.65 × 998,671,167.82
  4. Step 4: Simplify right side
    1,508,207,169.55x = 2,078,847,937,919,609,600
  5. Step 5: Solve for x
    x = 2,078,847,937,919,609,600/1,508,207,169.55
  6. Step 6: Final answer
    x = 1,378,357,018.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.