Home / 300,689,307,110.52-414,962,153,965.32-172,255,578,003

Finding the Fourth Proportional to 300,689,307,110.52, 414,962,153,965.32 and 172,255,578,003

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Solution

The fourth proportional to 300,689,307,110.52, 414,962,153,965.32 and 172,255,578,003 is: 237,718,947,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,689,307,110.52 : 414,962,153,965.32 = 172,255,578,003 : x
  2. Step 2: Convert to fraction form
    300,689,307,110.52/414,962,153,965.32 = 172,255,578,003/x
  3. Step 3: Cross multiply
    300,689,307,110.52x = 414,962,153,965.32 × 172,255,578,003
  4. Step 4: Simplify right side
    300,689,307,110.52x = 71,479,545,680,666,080,313,344
  5. Step 5: Solve for x
    x = 71,479,545,680,666,080,313,344/300,689,307,110.52
  6. Step 6: Final answer
    x = 237,718,947,732.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.