Home / 657,542,913.58-986,191,060.02-329,930,462.62

Finding the Fourth Proportional to 657,542,913.58, 986,191,060.02 and 329,930,462.62

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Solution

The fourth proportional to 657,542,913.58, 986,191,060.02 and 329,930,462.62 is: 494,833,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,542,913.58 : 986,191,060.02 = 329,930,462.62 : x
  2. Step 2: Convert to fraction form
    657,542,913.58/986,191,060.02 = 329,930,462.62/x
  3. Step 3: Cross multiply
    657,542,913.58x = 986,191,060.02 × 329,930,462.62
  4. Step 4: Simplify right side
    657,542,913.58x = 325,374,472,664,106,816
  5. Step 5: Solve for x
    x = 325,374,472,664,106,816/657,542,913.58
  6. Step 6: Final answer
    x = 494,833,821.40

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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.