Home / 668,211,317.47-1,002,355,279.88-176,911,820.75

Finding the Fourth Proportional to 668,211,317.47, 1,002,355,279.88 and 176,911,820.75

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Solution

The fourth proportional to 668,211,317.47, 1,002,355,279.88 and 176,911,820.75 is: 265,377,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,211,317.47 : 1,002,355,279.88 = 176,911,820.75 : x
  2. Step 2: Convert to fraction form
    668,211,317.47/1,002,355,279.88 = 176,911,820.75/x
  3. Step 3: Cross multiply
    668,211,317.47x = 1,002,355,279.88 × 176,911,820.75
  4. Step 4: Simplify right side
    668,211,317.47x = 177,328,497,601,946,656
  5. Step 5: Solve for x
    x = 177,328,497,601,946,656/668,211,317.47
  6. Step 6: Final answer
    x = 265,377,872.19

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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.