Home / 2,099,527,772.40-3,149,291,658.60-1,987,287,433.20

Finding the Fourth Proportional to 2,099,527,772.40, 3,149,291,658.60 and 1,987,287,433.20

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Solution

The fourth proportional to 2,099,527,772.40, 3,149,291,658.60 and 1,987,287,433.20 is: 2,980,931,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,527,772.40 : 3,149,291,658.60 = 1,987,287,433.20 : x
  2. Step 2: Convert to fraction form
    2,099,527,772.40/3,149,291,658.60 = 1,987,287,433.20/x
  3. Step 3: Cross multiply
    2,099,527,772.40x = 3,149,291,658.60 × 1,987,287,433.20
  4. Step 4: Simplify right side
    2,099,527,772.40x = 6,258,547,736,617,364,480
  5. Step 5: Solve for x
    x = 6,258,547,736,617,364,480/2,099,527,772.40
  6. Step 6: Final answer
    x = 2,980,931,149.80

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Double scale
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Similar ratio
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1.5x scale

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.