Home / 469,905,331.33-648,431,394.55-271,679,600.54

Finding the Fourth Proportional to 469,905,331.33, 648,431,394.55 and 271,679,600.54

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Solution

The fourth proportional to 469,905,331.33, 648,431,394.55 and 271,679,600.54 is: 374,895,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,905,331.33 : 648,431,394.55 = 271,679,600.54 : x
  2. Step 2: Convert to fraction form
    469,905,331.33/648,431,394.55 = 271,679,600.54/x
  3. Step 3: Cross multiply
    469,905,331.33x = 648,431,394.55 × 271,679,600.54
  4. Step 4: Simplify right side
    469,905,331.33x = 176,165,582,249,881,024
  5. Step 5: Solve for x
    x = 176,165,582,249,881,024/469,905,331.33
  6. Step 6: Final answer
    x = 374,895,900.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.