Home / 807,499,026.90-1,211,248,540.35-440,167,007.70

Finding the Fourth Proportional to 807,499,026.90, 1,211,248,540.35 and 440,167,007.70

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Solution

The fourth proportional to 807,499,026.90, 1,211,248,540.35 and 440,167,007.70 is: 660,250,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,499,026.90 : 1,211,248,540.35 = 440,167,007.70 : x
  2. Step 2: Convert to fraction form
    807,499,026.90/1,211,248,540.35 = 440,167,007.70/x
  3. Step 3: Cross multiply
    807,499,026.90x = 1,211,248,540.35 × 440,167,007.70
  4. Step 4: Simplify right side
    807,499,026.90x = 533,151,645,586,852,160
  5. Step 5: Solve for x
    x = 533,151,645,586,852,160/807,499,026.90
  6. Step 6: Final answer
    x = 660,250,511.55

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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.