Home / 859,626,334.27-1,186,288,358.61-488,368,737.55

Finding the Fourth Proportional to 859,626,334.27, 1,186,288,358.61 and 488,368,737.55

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Solution

The fourth proportional to 859,626,334.27, 1,186,288,358.61 and 488,368,737.55 is: 673,951,140.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,626,334.27 : 1,186,288,358.61 = 488,368,737.55 : x
  2. Step 2: Convert to fraction form
    859,626,334.27/1,186,288,358.61 = 488,368,737.55/x
  3. Step 3: Cross multiply
    859,626,334.27x = 1,186,288,358.61 × 488,368,737.55
  4. Step 4: Simplify right side
    859,626,334.27x = 579,346,148,064,627,328
  5. Step 5: Solve for x
    x = 579,346,148,064,627,328/859,626,334.27
  6. Step 6: Final answer
    x = 673,951,140.13

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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.