Home / 880,442,999.70-1,320,664,499.55-267,057,734.10

Finding the Fourth Proportional to 880,442,999.70, 1,320,664,499.55 and 267,057,734.10

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Solution

The fourth proportional to 880,442,999.70, 1,320,664,499.55 and 267,057,734.10 is: 400,586,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,442,999.70 : 1,320,664,499.55 = 267,057,734.10 : x
  2. Step 2: Convert to fraction form
    880,442,999.70/1,320,664,499.55 = 267,057,734.10/x
  3. Step 3: Cross multiply
    880,442,999.70x = 1,320,664,499.55 × 267,057,734.10
  4. Step 4: Simplify right side
    880,442,999.70x = 352,693,668,756,133,440
  5. Step 5: Solve for x
    x = 352,693,668,756,133,440/880,442,999.70
  6. Step 6: Final answer
    x = 400,586,601.15

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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.