Home / 888,131,912.64-1,225,636,555.68-486,238,960.32

Finding the Fourth Proportional to 888,131,912.64, 1,225,636,555.68 and 486,238,960.32

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Solution

The fourth proportional to 888,131,912.64, 1,225,636,555.68 and 486,238,960.32 is: 671,017,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,131,912.64 : 1,225,636,555.68 = 486,238,960.32 : x
  2. Step 2: Convert to fraction form
    888,131,912.64/1,225,636,555.68 = 486,238,960.32/x
  3. Step 3: Cross multiply
    888,131,912.64x = 1,225,636,555.68 × 486,238,960.32
  4. Step 4: Simplify right side
    888,131,912.64x = 595,952,244,564,029,056
  5. Step 5: Solve for x
    x = 595,952,244,564,029,056/888,131,912.64
  6. Step 6: Final answer
    x = 671,017,712.66

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1.5x scale

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.