Home / 739,941,225.49-1,021,079,854.20-422,388,854.25

Finding the Fourth Proportional to 739,941,225.49, 1,021,079,854.20 and 422,388,854.25

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Solution

The fourth proportional to 739,941,225.49, 1,021,079,854.20 and 422,388,854.25 is: 582,874,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,941,225.49 : 1,021,079,854.20 = 422,388,854.25 : x
  2. Step 2: Convert to fraction form
    739,941,225.49/1,021,079,854.20 = 422,388,854.25/x
  3. Step 3: Cross multiply
    739,941,225.49x = 1,021,079,854.20 × 422,388,854.25
  4. Step 4: Simplify right side
    739,941,225.49x = 431,292,749,713,295,040
  5. Step 5: Solve for x
    x = 431,292,749,713,295,040/739,941,225.49
  6. Step 6: Final answer
    x = 582,874,334.96

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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.