Home / 605,639,752.18-908,466,861.77-168,913,864.86

Finding the Fourth Proportional to 605,639,752.18, 908,466,861.77 and 168,913,864.86

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Solution

The fourth proportional to 605,639,752.18, 908,466,861.77 and 168,913,864.86 is: 253,372,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,639,752.18 : 908,466,861.77 = 168,913,864.86 : x
  2. Step 2: Convert to fraction form
    605,639,752.18/908,466,861.77 = 168,913,864.86/x
  3. Step 3: Cross multiply
    605,639,752.18x = 908,466,861.77 × 168,913,864.86
  4. Step 4: Simplify right side
    605,639,752.18x = 153,452,648,715,188,160
  5. Step 5: Solve for x
    x = 153,452,648,715,188,160/605,639,752.18
  6. Step 6: Final answer
    x = 253,372,814.72

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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.