Home / 454,570,806.52-681,868,913.82-147,862,920.64

Finding the Fourth Proportional to 454,570,806.52, 681,868,913.82 and 147,862,920.64

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Solution

The fourth proportional to 454,570,806.52, 681,868,913.82 and 147,862,920.64 is: 221,798,513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,570,806.52 : 681,868,913.82 = 147,862,920.64 : x
  2. Step 2: Convert to fraction form
    454,570,806.52/681,868,913.82 = 147,862,920.64/x
  3. Step 3: Cross multiply
    454,570,806.52x = 681,868,913.82 × 147,862,920.64
  4. Step 4: Simplify right side
    454,570,806.52x = 100,823,129,091,049,664
  5. Step 5: Solve for x
    x = 100,823,129,091,049,664/454,570,806.52
  6. Step 6: Final answer
    x = 221,798,513.33

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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.