Home / 911,166,773.58-1,367,247,718.67-386,454,257.28

Finding the Fourth Proportional to 911,166,773.58, 1,367,247,718.67 and 386,454,257.28

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Solution

The fourth proportional to 911,166,773.58, 1,367,247,718.67 and 386,454,257.28 is: 579,892,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,166,773.58 : 1,367,247,718.67 = 386,454,257.28 : x
  2. Step 2: Convert to fraction form
    911,166,773.58/1,367,247,718.67 = 386,454,257.28/x
  3. Step 3: Cross multiply
    911,166,773.58x = 1,367,247,718.67 × 386,454,257.28
  4. Step 4: Simplify right side
    911,166,773.58x = 528,378,701,634,456,896
  5. Step 5: Solve for x
    x = 528,378,701,634,456,896/911,166,773.58
  6. Step 6: Final answer
    x = 579,892,415.92

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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.