Home / 668,865,637.80-1,003,427,661.67-254,310,226.45

Finding the Fourth Proportional to 668,865,637.80, 1,003,427,661.67 and 254,310,226.45

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Solution

The fourth proportional to 668,865,637.80, 1,003,427,661.67 and 254,310,226.45 is: 381,514,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,865,637.80 : 1,003,427,661.67 = 254,310,226.45 : x
  2. Step 2: Convert to fraction form
    668,865,637.80/1,003,427,661.67 = 254,310,226.45/x
  3. Step 3: Cross multiply
    668,865,637.80x = 1,003,427,661.67 × 254,310,226.45
  4. Step 4: Simplify right side
    668,865,637.80x = 255,181,915,862,347,328
  5. Step 5: Solve for x
    x = 255,181,915,862,347,328/668,865,637.80
  6. Step 6: Final answer
    x = 381,514,464.85

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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.