Home / 2,912,272,079.40-4,368,408,119.10-1,932,720,028.20

Finding the Fourth Proportional to 2,912,272,079.40, 4,368,408,119.10 and 1,932,720,028.20

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Solution

The fourth proportional to 2,912,272,079.40, 4,368,408,119.10 and 1,932,720,028.20 is: 2,899,080,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,272,079.40 : 4,368,408,119.10 = 1,932,720,028.20 : x
  2. Step 2: Convert to fraction form
    2,912,272,079.40/4,368,408,119.10 = 1,932,720,028.20/x
  3. Step 3: Cross multiply
    2,912,272,079.40x = 4,368,408,119.10 × 1,932,720,028.20
  4. Step 4: Simplify right side
    2,912,272,079.40x = 8,442,909,863,136,061,440
  5. Step 5: Solve for x
    x = 8,442,909,863,136,061,440/2,912,272,079.40
  6. Step 6: Final answer
    x = 2,899,080,042.30

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Double scale
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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.