Home / 619,586,248.47-929,447,459.49-204,912,021.57

Finding the Fourth Proportional to 619,586,248.47, 929,447,459.49 and 204,912,021.57

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Solution

The fourth proportional to 619,586,248.47, 929,447,459.49 and 204,912,021.57 is: 307,390,550.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,586,248.47 : 929,447,459.49 = 204,912,021.57 : x
  2. Step 2: Convert to fraction form
    619,586,248.47/929,447,459.49 = 204,912,021.57/x
  3. Step 3: Cross multiply
    619,586,248.47x = 929,447,459.49 × 204,912,021.57
  4. Step 4: Simplify right side
    619,586,248.47x = 190,454,957,867,196,576
  5. Step 5: Solve for x
    x = 190,454,957,867,196,576/619,586,248.47
  6. Step 6: Final answer
    x = 307,390,550.29

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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.