Home / 822,720,265.10-1,233,212,761.29-269,878,332.86

Finding the Fourth Proportional to 822,720,265.10, 1,233,212,761.29 and 269,878,332.86

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Solution

The fourth proportional to 822,720,265.10, 1,233,212,761.29 and 269,878,332.86 is: 404,532,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,720,265.10 : 1,233,212,761.29 = 269,878,332.86 : x
  2. Step 2: Convert to fraction form
    822,720,265.10/1,233,212,761.29 = 269,878,332.86/x
  3. Step 3: Cross multiply
    822,720,265.10x = 1,233,212,761.29 × 269,878,332.86
  4. Step 4: Simplify right side
    822,720,265.10x = 332,817,404,078,622,336
  5. Step 5: Solve for x
    x = 332,817,404,078,622,336/822,720,265.10
  6. Step 6: Final answer
    x = 404,532,887.05

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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.