Home / 278,145,785.60-417,274,665.60-233,020,102.40

Finding the Fourth Proportional to 278,145,785.60, 417,274,665.60 and 233,020,102.40

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Solution

The fourth proportional to 278,145,785.60, 417,274,665.60 and 233,020,102.40 is: 349,577,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,145,785.60 : 417,274,665.60 = 233,020,102.40 : x
  2. Step 2: Convert to fraction form
    278,145,785.60/417,274,665.60 = 233,020,102.40/x
  3. Step 3: Cross multiply
    278,145,785.60x = 417,274,665.60 × 233,020,102.40
  4. Step 4: Simplify right side
    278,145,785.60x = 97,233,385,307,037,760
  5. Step 5: Solve for x
    x = 97,233,385,307,037,760/278,145,785.60
  6. Step 6: Final answer
    x = 349,577,057.58

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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.