Home / 1,171,448,895.85-1,616,595,040.10-642,821,726.53

Finding the Fourth Proportional to 1,171,448,895.85, 1,616,595,040.10 and 642,821,726.53

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Solution

The fourth proportional to 1,171,448,895.85, 1,616,595,040.10 and 642,821,726.53 is: 887,091,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,448,895.85 : 1,616,595,040.10 = 642,821,726.53 : x
  2. Step 2: Convert to fraction form
    1,171,448,895.85/1,616,595,040.10 = 642,821,726.53/x
  3. Step 3: Cross multiply
    1,171,448,895.85x = 1,616,595,040.10 × 642,821,726.53
  4. Step 4: Simplify right side
    1,171,448,895.85x = 1,039,182,414,773,702,400
  5. Step 5: Solve for x
    x = 1,039,182,414,773,702,400/1,171,448,895.85
  6. Step 6: Final answer
    x = 887,091,548.30

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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.