Home / 476,928,009.10-715,392,013.65-153,844,540.30

Finding the Fourth Proportional to 476,928,009.10, 715,392,013.65 and 153,844,540.30

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Solution

The fourth proportional to 476,928,009.10, 715,392,013.65 and 153,844,540.30 is: 230,766,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,928,009.10 : 715,392,013.65 = 153,844,540.30 : x
  2. Step 2: Convert to fraction form
    476,928,009.10/715,392,013.65 = 153,844,540.30/x
  3. Step 3: Cross multiply
    476,928,009.10x = 715,392,013.65 × 153,844,540.30
  4. Step 4: Simplify right side
    476,928,009.10x = 110,059,155,474,275,584
  5. Step 5: Solve for x
    x = 110,059,155,474,275,584/476,928,009.10
  6. Step 6: Final answer
    x = 230,766,810.45

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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.