Home / 994,085,737.50-1,491,343,850.79-380,669,985.12

Finding the Fourth Proportional to 994,085,737.50, 1,491,343,850.79 and 380,669,985.12

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Solution

The fourth proportional to 994,085,737.50, 1,491,343,850.79 and 380,669,985.12 is: 571,087,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,085,737.50 : 1,491,343,850.79 = 380,669,985.12 : x
  2. Step 2: Convert to fraction form
    994,085,737.50/1,491,343,850.79 = 380,669,985.12/x
  3. Step 3: Cross multiply
    994,085,737.50x = 1,491,343,850.79 × 380,669,985.12
  4. Step 4: Simplify right side
    994,085,737.50x = 567,709,841,489,032,768
  5. Step 5: Solve for x
    x = 567,709,841,489,032,768/994,085,737.50
  6. Step 6: Final answer
    x = 571,087,402.30

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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.