Home / 817,960,092.40-1,226,940,138.60-472,736,018.80

Finding the Fourth Proportional to 817,960,092.40, 1,226,940,138.60 and 472,736,018.80

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Solution

The fourth proportional to 817,960,092.40, 1,226,940,138.60 and 472,736,018.80 is: 709,104,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,960,092.40 : 1,226,940,138.60 = 472,736,018.80 : x
  2. Step 2: Convert to fraction form
    817,960,092.40/1,226,940,138.60 = 472,736,018.80/x
  3. Step 3: Cross multiply
    817,960,092.40x = 1,226,940,138.60 × 472,736,018.80
  4. Step 4: Simplify right side
    817,960,092.40x = 580,018,796,427,684,224
  5. Step 5: Solve for x
    x = 580,018,796,427,684,224/817,960,092.40
  6. Step 6: Final answer
    x = 709,104,028.20

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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.