Home / 1,361,452,949.91-1,878,755,468.64-758,592,424.35

Finding the Fourth Proportional to 1,361,452,949.91, 1,878,755,468.64 and 758,592,424.35

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Solution

The fourth proportional to 1,361,452,949.91, 1,878,755,468.64 and 758,592,424.35 is: 1,046,829,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,452,949.91 : 1,878,755,468.64 = 758,592,424.35 : x
  2. Step 2: Convert to fraction form
    1,361,452,949.91/1,878,755,468.64 = 758,592,424.35/x
  3. Step 3: Cross multiply
    1,361,452,949.91x = 1,878,755,468.64 × 758,592,424.35
  4. Step 4: Simplify right side
    1,361,452,949.91x = 1,425,209,665,716,438,016
  5. Step 5: Solve for x
    x = 1,425,209,665,716,438,016/1,361,452,949.91
  6. Step 6: Final answer
    x = 1,046,829,907.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.