Home / 942,073,961.28-1,413,264,441.36-278,155,092.72

Finding the Fourth Proportional to 942,073,961.28, 1,413,264,441.36 and 278,155,092.72

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Solution

The fourth proportional to 942,073,961.28, 1,413,264,441.36 and 278,155,092.72 is: 417,277,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,073,961.28 : 1,413,264,441.36 = 278,155,092.72 : x
  2. Step 2: Convert to fraction form
    942,073,961.28/1,413,264,441.36 = 278,155,092.72/x
  3. Step 3: Cross multiply
    942,073,961.28x = 1,413,264,441.36 × 278,155,092.72
  4. Step 4: Simplify right side
    942,073,961.28x = 393,106,701,724,369,792
  5. Step 5: Solve for x
    x = 393,106,701,724,369,792/942,073,961.28
  6. Step 6: Final answer
    x = 417,277,961.05

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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.