Home / 1,114,561,876.41-1,671,843,109.89-327,615,561.81

Finding the Fourth Proportional to 1,114,561,876.41, 1,671,843,109.89 and 327,615,561.81

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Solution

The fourth proportional to 1,114,561,876.41, 1,671,843,109.89 and 327,615,561.81 is: 491,423,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,561,876.41 : 1,671,843,109.89 = 327,615,561.81 : x
  2. Step 2: Convert to fraction form
    1,114,561,876.41/1,671,843,109.89 = 327,615,561.81/x
  3. Step 3: Cross multiply
    1,114,561,876.41x = 1,671,843,109.89 × 327,615,561.81
  4. Step 4: Simplify right side
    1,114,561,876.41x = 547,721,819,704,789,952
  5. Step 5: Solve for x
    x = 547,721,819,704,789,952/1,114,561,876.41
  6. Step 6: Final answer
    x = 491,423,429.51

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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.