Home / 468,021,352.80-702,032,029.20-238,438,840.80

Finding the Fourth Proportional to 468,021,352.80, 702,032,029.20 and 238,438,840.80

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Solution

The fourth proportional to 468,021,352.80, 702,032,029.20 and 238,438,840.80 is: 357,658,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,021,352.80 : 702,032,029.20 = 238,438,840.80 : x
  2. Step 2: Convert to fraction form
    468,021,352.80/702,032,029.20 = 238,438,840.80/x
  3. Step 3: Cross multiply
    468,021,352.80x = 702,032,029.20 × 238,438,840.80
  4. Step 4: Simplify right side
    468,021,352.80x = 167,391,703,246,919,776
  5. Step 5: Solve for x
    x = 167,391,703,246,919,776/468,021,352.80
  6. Step 6: Final answer
    x = 357,658,261.20

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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.