Home / 12,587,451,289.28-17,370,594,412.41-6,871,735,715.11

Finding the Fourth Proportional to 12,587,451,289.28, 17,370,594,412.41 and 6,871,735,715.11

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Solution

The fourth proportional to 12,587,451,289.28, 17,370,594,412.41 and 6,871,735,715.11 is: 9,482,947,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587,451,289.28 : 17,370,594,412.41 = 6,871,735,715.11 : x
  2. Step 2: Convert to fraction form
    12,587,451,289.28/17,370,594,412.41 = 6,871,735,715.11/x
  3. Step 3: Cross multiply
    12,587,451,289.28x = 17,370,594,412.41 × 6,871,735,715.11
  4. Step 4: Simplify right side
    12,587,451,289.28x = 119,366,134,016,326,778,880
  5. Step 5: Solve for x
    x = 119,366,134,016,326,778,880/12,587,451,289.28
  6. Step 6: Final answer
    x = 9,482,947,045.68

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Double scale
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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.