Home / 1,275,788,395.95-1,760,589,172.89-689,077,531.95

Finding the Fourth Proportional to 1,275,788,395.95, 1,760,589,172.89 and 689,077,531.95

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Solution

The fourth proportional to 1,275,788,395.95, 1,760,589,172.89 and 689,077,531.95 is: 950,927,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,788,395.95 : 1,760,589,172.89 = 689,077,531.95 : x
  2. Step 2: Convert to fraction form
    1,275,788,395.95/1,760,589,172.89 = 689,077,531.95/x
  3. Step 3: Cross multiply
    1,275,788,395.95x = 1,760,589,172.89 × 689,077,531.95
  4. Step 4: Simplify right side
    1,275,788,395.95x = 1,213,182,442,032,933,120
  5. Step 5: Solve for x
    x = 1,213,182,442,032,933,120/1,275,788,395.95
  6. Step 6: Final answer
    x = 950,927,634.93

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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.