Home / 605,639,752.93-908,466,862.90-168,913,865.61

Finding the Fourth Proportional to 605,639,752.93, 908,466,862.90 and 168,913,865.61

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Solution

The fourth proportional to 605,639,752.93, 908,466,862.90 and 168,913,865.61 is: 253,372,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,639,752.93 : 908,466,862.90 = 168,913,865.61 : x
  2. Step 2: Convert to fraction form
    605,639,752.93/908,466,862.90 = 168,913,865.61/x
  3. Step 3: Cross multiply
    605,639,752.93x = 908,466,862.90 × 168,913,865.61
  4. Step 4: Simplify right side
    605,639,752.93x = 153,452,649,590,606,624
  5. Step 5: Solve for x
    x = 153,452,649,590,606,624/605,639,752.93
  6. Step 6: Final answer
    x = 253,372,815.85

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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.