Home / 1,009,216,960.20-1,513,825,440.30-272,285,440.20

Finding the Fourth Proportional to 1,009,216,960.20, 1,513,825,440.30 and 272,285,440.20

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Solution

The fourth proportional to 1,009,216,960.20, 1,513,825,440.30 and 272,285,440.20 is: 408,428,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,216,960.20 : 1,513,825,440.30 = 272,285,440.20 : x
  2. Step 2: Convert to fraction form
    1,009,216,960.20/1,513,825,440.30 = 272,285,440.20/x
  3. Step 3: Cross multiply
    1,009,216,960.20x = 1,513,825,440.30 × 272,285,440.20
  4. Step 4: Simplify right side
    1,009,216,960.20x = 412,192,626,398,044,288
  5. Step 5: Solve for x
    x = 412,192,626,398,044,288/1,009,216,960.20
  6. Step 6: Final answer
    x = 408,428,160.30

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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.