Home / 2,988,045,398.40-4,482,068,097.60-917,763,838.80

Finding the Fourth Proportional to 2,988,045,398.40, 4,482,068,097.60 and 917,763,838.80

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Solution

The fourth proportional to 2,988,045,398.40, 4,482,068,097.60 and 917,763,838.80 is: 1,376,645,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,045,398.40 : 4,482,068,097.60 = 917,763,838.80 : x
  2. Step 2: Convert to fraction form
    2,988,045,398.40/4,482,068,097.60 = 917,763,838.80/x
  3. Step 3: Cross multiply
    2,988,045,398.40x = 4,482,068,097.60 × 917,763,838.80
  4. Step 4: Simplify right side
    2,988,045,398.40x = 4,113,480,023,016,389,120
  5. Step 5: Solve for x
    x = 4,113,480,023,016,389,120/2,988,045,398.40
  6. Step 6: Final answer
    x = 1,376,645,758.20

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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.