Home / 278,204,591.40-417,306,887.10-96,470,140.20

Finding the Fourth Proportional to 278,204,591.40, 417,306,887.10 and 96,470,140.20

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Solution

The fourth proportional to 278,204,591.40, 417,306,887.10 and 96,470,140.20 is: 144,705,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,204,591.40 : 417,306,887.10 = 96,470,140.20 : x
  2. Step 2: Convert to fraction form
    278,204,591.40/417,306,887.10 = 96,470,140.20/x
  3. Step 3: Cross multiply
    278,204,591.40x = 417,306,887.10 × 96,470,140.20
  4. Step 4: Simplify right side
    278,204,591.40x = 40,257,653,904,962,576
  5. Step 5: Solve for x
    x = 40,257,653,904,962,576/278,204,591.40
  6. Step 6: Final answer
    x = 144,705,210.30

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1.5x scale

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.