Home / 668,865,724.32-1,003,427,791.52-254,310,313.04

Finding the Fourth Proportional to 668,865,724.32, 1,003,427,791.52 and 254,310,313.04

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Solution

The fourth proportional to 668,865,724.32, 1,003,427,791.52 and 254,310,313.04 is: 381,514,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,865,724.32 : 1,003,427,791.52 = 254,310,313.04 : x
  2. Step 2: Convert to fraction form
    668,865,724.32/1,003,427,791.52 = 254,310,313.04/x
  3. Step 3: Cross multiply
    668,865,724.32x = 1,003,427,791.52 × 254,310,313.04
  4. Step 4: Simplify right side
    668,865,724.32x = 255,182,035,774,487,040
  5. Step 5: Solve for x
    x = 255,182,035,774,487,040/668,865,724.32
  6. Step 6: Final answer
    x = 381,514,594.78

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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.