Home / 982,902,070.57-1,474,358,617.47-327,851,298.55

Finding the Fourth Proportional to 982,902,070.57, 1,474,358,617.47 and 327,851,298.55

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Solution

The fourth proportional to 982,902,070.57, 1,474,358,617.47 and 327,851,298.55 is: 491,778,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,902,070.57 : 1,474,358,617.47 = 327,851,298.55 : x
  2. Step 2: Convert to fraction form
    982,902,070.57/1,474,358,617.47 = 327,851,298.55/x
  3. Step 3: Cross multiply
    982,902,070.57x = 1,474,358,617.47 × 327,851,298.55
  4. Step 4: Simplify right side
    982,902,070.57x = 483,370,387,265,922,240
  5. Step 5: Solve for x
    x = 483,370,387,265,922,240/982,902,070.57
  6. Step 6: Final answer
    x = 491,778,786.25

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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.