Home / 1,472,663,143.80-2,208,586,004.26-408,841,600.39

Finding the Fourth Proportional to 1,472,663,143.80, 2,208,586,004.26 and 408,841,600.39

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Solution

The fourth proportional to 1,472,663,143.80, 2,208,586,004.26 and 408,841,600.39 is: 613,148,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,663,143.80 : 2,208,586,004.26 = 408,841,600.39 : x
  2. Step 2: Convert to fraction form
    1,472,663,143.80/2,208,586,004.26 = 408,841,600.39/x
  3. Step 3: Cross multiply
    1,472,663,143.80x = 2,208,586,004.26 × 408,841,600.39
  4. Step 4: Simplify right side
    1,472,663,143.80x = 902,961,836,574,070,272
  5. Step 5: Solve for x
    x = 902,961,836,574,070,272/1,472,663,143.80
  6. Step 6: Final answer
    x = 613,148,933.87

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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.