Home / 906,380,213.31-1,250,733,147.98-509,824,253.52

Finding the Fourth Proportional to 906,380,213.31, 1,250,733,147.98 and 509,824,253.52

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Solution

The fourth proportional to 906,380,213.31, 1,250,733,147.98 and 509,824,253.52 is: 703,517,226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,380,213.31 : 1,250,733,147.98 = 509,824,253.52 : x
  2. Step 2: Convert to fraction form
    906,380,213.31/1,250,733,147.98 = 509,824,253.52/x
  3. Step 3: Cross multiply
    906,380,213.31x = 1,250,733,147.98 × 509,824,253.52
  4. Step 4: Simplify right side
    906,380,213.31x = 637,654,093,519,074,048
  5. Step 5: Solve for x
    x = 637,654,093,519,074,048/906,380,213.31
  6. Step 6: Final answer
    x = 703,517,226.17

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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.