Home / 1,151,131,143.60-1,726,696,715.40-806,473,940.40

Finding the Fourth Proportional to 1,151,131,143.60, 1,726,696,715.40 and 806,473,940.40

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Solution

The fourth proportional to 1,151,131,143.60, 1,726,696,715.40 and 806,473,940.40 is: 1,209,710,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,131,143.60 : 1,726,696,715.40 = 806,473,940.40 : x
  2. Step 2: Convert to fraction form
    1,151,131,143.60/1,726,696,715.40 = 806,473,940.40/x
  3. Step 3: Cross multiply
    1,151,131,143.60x = 1,726,696,715.40 × 806,473,940.40
  4. Step 4: Simplify right side
    1,151,131,143.60x = 1,392,535,903,944,375,296
  5. Step 5: Solve for x
    x = 1,392,535,903,944,375,296/1,151,131,143.60
  6. Step 6: Final answer
    x = 1,209,710,910.60

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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.