Home / 1,436,278,669.52-2,155,040,162.04-771,517,019.60

Finding the Fourth Proportional to 1,436,278,669.52, 2,155,040,162.04 and 771,517,019.60

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Solution

The fourth proportional to 1,436,278,669.52, 2,155,040,162.04 and 771,517,019.60 is: 1,157,609,730.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,278,669.52 : 2,155,040,162.04 = 771,517,019.60 : x
  2. Step 2: Convert to fraction form
    1,436,278,669.52/2,155,040,162.04 = 771,517,019.60/x
  3. Step 3: Cross multiply
    1,436,278,669.52x = 2,155,040,162.04 × 771,517,019.60
  4. Step 4: Simplify right side
    1,436,278,669.52x = 1,662,650,162,935,401,984
  5. Step 5: Solve for x
    x = 1,662,650,162,935,401,984/1,436,278,669.52
  6. Step 6: Final answer
    x = 1,157,609,730.07

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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.