Home / 12,587,451,426.40-17,370,594,601.32-6,871,735,851.88

Finding the Fourth Proportional to 12,587,451,426.40, 17,370,594,601.32 and 6,871,735,851.88

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Solution

The fourth proportional to 12,587,451,426.40, 17,370,594,601.32 and 6,871,735,851.88 is: 9,482,947,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587,451,426.40 : 17,370,594,601.32 = 6,871,735,851.88 : x
  2. Step 2: Convert to fraction form
    12,587,451,426.40/17,370,594,601.32 = 6,871,735,851.88/x
  3. Step 3: Cross multiply
    12,587,451,426.40x = 17,370,594,601.32 × 6,871,735,851.88
  4. Step 4: Simplify right side
    12,587,451,426.40x = 119,366,137,690,363,822,080
  5. Step 5: Solve for x
    x = 119,366,137,690,363,822,080/12,587,451,426.40
  6. Step 6: Final answer
    x = 9,482,947,234.26

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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.