Home / 10,353,609,309.80-15,530,413,964.70-7,185,370,644.20

Finding the Fourth Proportional to 10,353,609,309.80, 15,530,413,964.70 and 7,185,370,644.20

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Solution

The fourth proportional to 10,353,609,309.80, 15,530,413,964.70 and 7,185,370,644.20 is: 10,778,055,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353,609,309.80 : 15,530,413,964.70 = 7,185,370,644.20 : x
  2. Step 2: Convert to fraction form
    10,353,609,309.80/15,530,413,964.70 = 7,185,370,644.20/x
  3. Step 3: Cross multiply
    10,353,609,309.80x = 15,530,413,964.70 × 7,185,370,644.20
  4. Step 4: Simplify right side
    10,353,609,309.80x = 111,591,780,594,229,116,928
  5. Step 5: Solve for x
    x = 111,591,780,594,229,116,928/10,353,609,309.80
  6. Step 6: Final answer
    x = 10,778,055,966.30

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Double scale
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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.