Home / 668,211,318.47-1,002,355,281.38-176,911,821.75

Finding the Fourth Proportional to 668,211,318.47, 1,002,355,281.38 and 176,911,821.75

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Solution

The fourth proportional to 668,211,318.47, 1,002,355,281.38 and 176,911,821.75 is: 265,377,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,211,318.47 : 1,002,355,281.38 = 176,911,821.75 : x
  2. Step 2: Convert to fraction form
    668,211,318.47/1,002,355,281.38 = 176,911,821.75/x
  3. Step 3: Cross multiply
    668,211,318.47x = 1,002,355,281.38 × 176,911,821.75
  4. Step 4: Simplify right side
    668,211,318.47x = 177,328,498,869,669,664
  5. Step 5: Solve for x
    x = 177,328,498,869,669,664/668,211,318.47
  6. Step 6: Final answer
    x = 265,377,873.69

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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.