Home / 776,746,111.97-1,165,129,264.72-259,176,552.45

Finding the Fourth Proportional to 776,746,111.97, 1,165,129,264.72 and 259,176,552.45

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Solution

The fourth proportional to 776,746,111.97, 1,165,129,264.72 and 259,176,552.45 is: 388,768,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,746,111.97 : 1,165,129,264.72 = 259,176,552.45 : x
  2. Step 2: Convert to fraction form
    776,746,111.97/1,165,129,264.72 = 259,176,552.45/x
  3. Step 3: Cross multiply
    776,746,111.97x = 1,165,129,264.72 × 259,176,552.45
  4. Step 4: Simplify right side
    776,746,111.97x = 301,974,185,988,337,600
  5. Step 5: Solve for x
    x = 301,974,185,988,337,600/776,746,111.97
  6. Step 6: Final answer
    x = 388,768,197.66

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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.