Home / 679,945,859.06-1,020,126,938.06-348,187,766.02

Finding the Fourth Proportional to 679,945,859.06, 1,020,126,938.06 and 348,187,766.02

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Solution

The fourth proportional to 679,945,859.06, 1,020,126,938.06 and 348,187,766.02 is: 522,388,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,945,859.06 : 1,020,126,938.06 = 348,187,766.02 : x
  2. Step 2: Convert to fraction form
    679,945,859.06/1,020,126,938.06 = 348,187,766.02/x
  3. Step 3: Cross multiply
    679,945,859.06x = 1,020,126,938.06 × 348,187,766.02
  4. Step 4: Simplify right side
    679,945,859.06x = 355,195,719,618,254,464
  5. Step 5: Solve for x
    x = 355,195,719,618,254,464/679,945,859.06
  6. Step 6: Final answer
    x = 522,388,238.55

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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.