Home / 806,955,217.60-1,210,432,826.40-531,456,203.20

Finding the Fourth Proportional to 806,955,217.60, 1,210,432,826.40 and 531,456,203.20

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Solution

The fourth proportional to 806,955,217.60, 1,210,432,826.40 and 531,456,203.20 is: 797,184,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,955,217.60 : 1,210,432,826.40 = 531,456,203.20 : x
  2. Step 2: Convert to fraction form
    806,955,217.60/1,210,432,826.40 = 531,456,203.20/x
  3. Step 3: Cross multiply
    806,955,217.60x = 1,210,432,826.40 × 531,456,203.20
  4. Step 4: Simplify right side
    806,955,217.60x = 643,292,034,147,188,736
  5. Step 5: Solve for x
    x = 643,292,034,147,188,736/806,955,217.60
  6. Step 6: Final answer
    x = 797,184,304.80

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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.