Home / 2,988,045,400.40-4,482,068,100.60-917,763,840.80

Finding the Fourth Proportional to 2,988,045,400.40, 4,482,068,100.60 and 917,763,840.80

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Solution

The fourth proportional to 2,988,045,400.40, 4,482,068,100.60 and 917,763,840.80 is: 1,376,645,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,045,400.40 : 4,482,068,100.60 = 917,763,840.80 : x
  2. Step 2: Convert to fraction form
    2,988,045,400.40/4,482,068,100.60 = 917,763,840.80/x
  3. Step 3: Cross multiply
    2,988,045,400.40x = 4,482,068,100.60 × 917,763,840.80
  4. Step 4: Simplify right side
    2,988,045,400.40x = 4,113,480,034,733,816,832
  5. Step 5: Solve for x
    x = 4,113,480,034,733,816,832/2,988,045,400.40
  6. Step 6: Final answer
    x = 1,376,645,761.20

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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.