Home / 1,227,240,429.80-1,693,580,613.18-670,323,329.24

Finding the Fourth Proportional to 1,227,240,429.80, 1,693,580,613.18 and 670,323,329.24

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Solution

The fourth proportional to 1,227,240,429.80, 1,693,580,613.18 and 670,323,329.24 is: 925,040,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,240,429.80 : 1,693,580,613.18 = 670,323,329.24 : x
  2. Step 2: Convert to fraction form
    1,227,240,429.80/1,693,580,613.18 = 670,323,329.24/x
  3. Step 3: Cross multiply
    1,227,240,429.80x = 1,693,580,613.18 × 670,323,329.24
  4. Step 4: Simplify right side
    1,227,240,429.80x = 1,135,246,594,963,138,304
  5. Step 5: Solve for x
    x = 1,135,246,594,963,138,304/1,227,240,429.80
  6. Step 6: Final answer
    x = 925,040,087.82

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1.5x scale

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.