Home / 2,988,045,385.90-4,482,068,078.85-917,763,826.30

Finding the Fourth Proportional to 2,988,045,385.90, 4,482,068,078.85 and 917,763,826.30

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Solution

The fourth proportional to 2,988,045,385.90, 4,482,068,078.85 and 917,763,826.30 is: 1,376,645,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,045,385.90 : 4,482,068,078.85 = 917,763,826.30 : x
  2. Step 2: Convert to fraction form
    2,988,045,385.90/4,482,068,078.85 = 917,763,826.30/x
  3. Step 3: Cross multiply
    2,988,045,385.90x = 4,482,068,078.85 × 917,763,826.30
  4. Step 4: Simplify right side
    2,988,045,385.90x = 4,113,479,949,782,466,048
  5. Step 5: Solve for x
    x = 4,113,479,949,782,466,048/2,988,045,385.90
  6. Step 6: Final answer
    x = 1,376,645,739.45

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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.