Home / 1,327,823,862.52-1,991,599,304.08-442,413,591.01

Finding the Fourth Proportional to 1,327,823,862.52, 1,991,599,304.08 and 442,413,591.01

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Solution

The fourth proportional to 1,327,823,862.52, 1,991,599,304.08 and 442,413,591.01 is: 663,574,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,823,862.52 : 1,991,599,304.08 = 442,413,591.01 : x
  2. Step 2: Convert to fraction form
    1,327,823,862.52/1,991,599,304.08 = 442,413,591.01/x
  3. Step 3: Cross multiply
    1,327,823,862.52x = 1,991,599,304.08 × 442,413,591.01
  4. Step 4: Simplify right side
    1,327,823,862.52x = 881,110,599,971,049,728
  5. Step 5: Solve for x
    x = 881,110,599,971,049,728/1,327,823,862.52
  6. Step 6: Final answer
    x = 663,574,909.93

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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.