Home / 2,988,045,385.15-4,482,068,077.73-917,763,825.55

Finding the Fourth Proportional to 2,988,045,385.15, 4,482,068,077.73 and 917,763,825.55

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Solution

The fourth proportional to 2,988,045,385.15, 4,482,068,077.73 and 917,763,825.55 is: 1,376,645,738.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,045,385.15 : 4,482,068,077.73 = 917,763,825.55 : x
  2. Step 2: Convert to fraction form
    2,988,045,385.15/4,482,068,077.73 = 917,763,825.55/x
  3. Step 3: Cross multiply
    2,988,045,385.15x = 4,482,068,077.73 × 917,763,825.55
  4. Step 4: Simplify right side
    2,988,045,385.15x = 4,113,479,945,393,018,880
  5. Step 5: Solve for x
    x = 4,113,479,945,393,018,880/2,988,045,385.15
  6. Step 6: Final answer
    x = 1,376,645,738.33

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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.