Home / 651,149,546.52-898,586,167.98-357,813,010.20

Finding the Fourth Proportional to 651,149,546.52, 898,586,167.98 and 357,813,010.20

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Solution

The fourth proportional to 651,149,546.52, 898,586,167.98 and 357,813,010.20 is: 493,781,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,149,546.52 : 898,586,167.98 = 357,813,010.20 : x
  2. Step 2: Convert to fraction form
    651,149,546.52/898,586,167.98 = 357,813,010.20/x
  3. Step 3: Cross multiply
    651,149,546.52x = 898,586,167.98 × 357,813,010.20
  4. Step 4: Simplify right side
    651,149,546.52x = 321,525,821,689,006,656
  5. Step 5: Solve for x
    x = 321,525,821,689,006,656/651,149,546.52
  6. Step 6: Final answer
    x = 493,781,840.76

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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.