Home / 631,195,557.90-946,121,490.45-242,868,338.70

Finding the Fourth Proportional to 631,195,557.90, 946,121,490.45 and 242,868,338.70

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Solution

The fourth proportional to 631,195,557.90, 946,121,490.45 and 242,868,338.70 is: 364,043,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,195,557.90 : 946,121,490.45 = 242,868,338.70 : x
  2. Step 2: Convert to fraction form
    631,195,557.90/946,121,490.45 = 242,868,338.70/x
  3. Step 3: Cross multiply
    631,195,557.90x = 946,121,490.45 × 242,868,338.70
  4. Step 4: Simplify right side
    631,195,557.90x = 229,782,954,593,959,424
  5. Step 5: Solve for x
    x = 229,782,954,593,959,424/631,195,557.90
  6. Step 6: Final answer
    x = 364,043,998.28

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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.