Home / 399,408,908,937.22-599,319,342,114.66-187,194,600,948.17

Finding the Fourth Proportional to 399,408,908,937.22, 599,319,342,114.66 and 187,194,600,948.17

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Solution

The fourth proportional to 399,408,908,937.22, 599,319,342,114.66 and 187,194,600,948.17 is: 280,888,439,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,408,908,937.22 : 599,319,342,114.66 = 187,194,600,948.17 : x
  2. Step 2: Convert to fraction form
    399,408,908,937.22/599,319,342,114.66 = 187,194,600,948.17/x
  3. Step 3: Cross multiply
    399,408,908,937.22x = 599,319,342,114.66 × 187,194,600,948.17
  4. Step 4: Simplify right side
    399,408,908,937.22x = 112,189,345,087,673,564,397,568
  5. Step 5: Solve for x
    x = 112,189,345,087,673,564,397,568/399,408,908,937.22
  6. Step 6: Final answer
    x = 280,888,439,334.51

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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.