Home / 826,713,534.30-1,240,070,301.45-622,640,190.30

Finding the Fourth Proportional to 826,713,534.30, 1,240,070,301.45 and 622,640,190.30

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Solution

The fourth proportional to 826,713,534.30, 1,240,070,301.45 and 622,640,190.30 is: 933,960,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,713,534.30 : 1,240,070,301.45 = 622,640,190.30 : x
  2. Step 2: Convert to fraction form
    826,713,534.30/1,240,070,301.45 = 622,640,190.30/x
  3. Step 3: Cross multiply
    826,713,534.30x = 1,240,070,301.45 × 622,640,190.30
  4. Step 4: Simplify right side
    826,713,534.30x = 772,117,608,480,206,336
  5. Step 5: Solve for x
    x = 772,117,608,480,206,336/826,713,534.30
  6. Step 6: Final answer
    x = 933,960,285.45

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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.