Home / 628,392,190.20-943,013,438.10-283,168,116.60

Finding the Fourth Proportional to 628,392,190.20, 943,013,438.10 and 283,168,116.60

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Solution

The fourth proportional to 628,392,190.20, 943,013,438.10 and 283,168,116.60 is: 424,943,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,392,190.20 : 943,013,438.10 = 283,168,116.60 : x
  2. Step 2: Convert to fraction form
    628,392,190.20/943,013,438.10 = 283,168,116.60/x
  3. Step 3: Cross multiply
    628,392,190.20x = 943,013,438.10 × 283,168,116.60
  4. Step 4: Simplify right side
    628,392,190.20x = 267,031,339,195,267,712
  5. Step 5: Solve for x
    x = 267,031,339,195,267,712/628,392,190.20
  6. Step 6: Final answer
    x = 424,943,758.63

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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.