Home / 835,394,320.31-1,151,692,209.03-666,422,064.89

Finding the Fourth Proportional to 835,394,320.31, 1,151,692,209.03 and 666,422,064.89

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Solution

The fourth proportional to 835,394,320.31, 1,151,692,209.03 and 666,422,064.89 is: 918,743,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,394,320.31 : 1,151,692,209.03 = 666,422,064.89 : x
  2. Step 2: Convert to fraction form
    835,394,320.31/1,151,692,209.03 = 666,422,064.89/x
  3. Step 3: Cross multiply
    835,394,320.31x = 1,151,692,209.03 × 666,422,064.89
  4. Step 4: Simplify right side
    835,394,320.31x = 767,513,100,059,498,112
  5. Step 5: Solve for x
    x = 767,513,100,059,498,112/835,394,320.31
  6. Step 6: Final answer
    x = 918,743,498.01

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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.