Home / 619,392,806.64-929,064,012.87-153,042,486.29

Finding the Fourth Proportional to 619,392,806.64, 929,064,012.87 and 153,042,486.29

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Solution

The fourth proportional to 619,392,806.64, 929,064,012.87 and 153,042,486.29 is: 229,557,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,392,806.64 : 929,064,012.87 = 153,042,486.29 : x
  2. Step 2: Convert to fraction form
    619,392,806.64/929,064,012.87 = 153,042,486.29/x
  3. Step 3: Cross multiply
    619,392,806.64x = 929,064,012.87 × 153,042,486.29
  4. Step 4: Simplify right side
    619,392,806.64x = 142,186,266,447,806,704
  5. Step 5: Solve for x
    x = 142,186,266,447,806,704/619,392,806.64
  6. Step 6: Final answer
    x = 229,557,503.61

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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.