Home / 15,608,587,967.20-23,409,133,160.10-7,206,420,781.72

Finding the Fourth Proportional to 15,608,587,967.20, 23,409,133,160.10 and 7,206,420,781.72

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Solution

The fourth proportional to 15,608,587,967.20, 23,409,133,160.10 and 7,206,420,781.72 is: 10,807,900,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608,587,967.20 : 23,409,133,160.10 = 7,206,420,781.72 : x
  2. Step 2: Convert to fraction form
    15,608,587,967.20/23,409,133,160.10 = 7,206,420,781.72/x
  3. Step 3: Cross multiply
    15,608,587,967.20x = 23,409,133,160.10 × 7,206,420,781.72
  4. Step 4: Simplify right side
    15,608,587,967.20x = 168,696,063,686,995,410,944
  5. Step 5: Solve for x
    x = 168,696,063,686,995,410,944/15,608,587,967.20
  6. Step 6: Final answer
    x = 10,807,900,371.35

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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.