Home / 928,969,461.68-1,394,314,995.72-469,229,869.04

Finding the Fourth Proportional to 928,969,461.68, 1,394,314,995.72 and 469,229,869.04

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Solution

The fourth proportional to 928,969,461.68, 1,394,314,995.72 and 469,229,869.04 is: 704,279,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,969,461.68 : 1,394,314,995.72 = 469,229,869.04 : x
  2. Step 2: Convert to fraction form
    928,969,461.68/1,394,314,995.72 = 469,229,869.04/x
  3. Step 3: Cross multiply
    928,969,461.68x = 1,394,314,995.72 × 469,229,869.04
  4. Step 4: Simplify right side
    928,969,461.68x = 654,254,242,842,203,776
  5. Step 5: Solve for x
    x = 654,254,242,842,203,776/928,969,461.68
  6. Step 6: Final answer
    x = 704,279,602.11

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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.