Home / 1,255,694,558.10-1,883,541,837.15-382,288,989.30

Finding the Fourth Proportional to 1,255,694,558.10, 1,883,541,837.15 and 382,288,989.30

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Solution

The fourth proportional to 1,255,694,558.10, 1,883,541,837.15 and 382,288,989.30 is: 573,433,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,694,558.10 : 1,883,541,837.15 = 382,288,989.30 : x
  2. Step 2: Convert to fraction form
    1,255,694,558.10/1,883,541,837.15 = 382,288,989.30/x
  3. Step 3: Cross multiply
    1,255,694,558.10x = 1,883,541,837.15 × 382,288,989.30
  4. Step 4: Simplify right side
    1,255,694,558.10x = 720,057,305,228,338,688
  5. Step 5: Solve for x
    x = 720,057,305,228,338,688/1,255,694,558.10
  6. Step 6: Final answer
    x = 573,433,483.95

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Double scale
Find fourth proportional to 1,255,694,559.10, 1,883,541,838.65 and 382,288,990.30
Similar ratio
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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.