Home / 866,601,076.58-1,195,808,593.59-485,143,999.55

Finding the Fourth Proportional to 866,601,076.58, 1,195,808,593.59 and 485,143,999.55

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Solution

The fourth proportional to 866,601,076.58, 1,195,808,593.59 and 485,143,999.55 is: 669,442,237.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,601,076.58 : 1,195,808,593.59 = 485,143,999.55 : x
  2. Step 2: Convert to fraction form
    866,601,076.58/1,195,808,593.59 = 485,143,999.55/x
  3. Step 3: Cross multiply
    866,601,076.58x = 1,195,808,593.59 × 485,143,999.55
  4. Step 4: Simplify right side
    866,601,076.58x = 580,139,363,784,534,016
  5. Step 5: Solve for x
    x = 580,139,363,784,534,016/866,601,076.58
  6. Step 6: Final answer
    x = 669,442,237.57

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.