Home / 1,385,375,042.05-2,078,329,921.09-452,447,084.34

Finding the Fourth Proportional to 1,385,375,042.05, 2,078,329,921.09 and 452,447,084.34

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Solution

The fourth proportional to 1,385,375,042.05, 2,078,329,921.09 and 452,447,084.34 is: 678,757,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,375,042.05 : 2,078,329,921.09 = 452,447,084.34 : x
  2. Step 2: Convert to fraction form
    1,385,375,042.05/2,078,329,921.09 = 452,447,084.34/x
  3. Step 3: Cross multiply
    1,385,375,042.05x = 2,078,329,921.09 × 452,447,084.34
  4. Step 4: Simplify right side
    1,385,375,042.05x = 940,334,313,092,621,696
  5. Step 5: Solve for x
    x = 940,334,313,092,621,696/1,385,375,042.05
  6. Step 6: Final answer
    x = 678,757,942.47

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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.