Home / 476,654,804.82-714,968,990.36-126,903,873.42

Finding the Fourth Proportional to 476,654,804.82, 714,968,990.36 and 126,903,873.42

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Solution

The fourth proportional to 476,654,804.82, 714,968,990.36 and 126,903,873.42 is: 190,352,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,654,804.82 : 714,968,990.36 = 126,903,873.42 : x
  2. Step 2: Convert to fraction form
    476,654,804.82/714,968,990.36 = 126,903,873.42/x
  3. Step 3: Cross multiply
    476,654,804.82x = 714,968,990.36 × 126,903,873.42
  4. Step 4: Simplify right side
    476,654,804.82x = 90,732,334,251,236,128
  5. Step 5: Solve for x
    x = 90,732,334,251,236,128/476,654,804.82
  6. Step 6: Final answer
    x = 190,352,291.29

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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.