Home / 547,567,268.68-821,352,302.70-138,623,462.92

Finding the Fourth Proportional to 547,567,268.68, 821,352,302.70 and 138,623,462.92

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Solution

The fourth proportional to 547,567,268.68, 821,352,302.70 and 138,623,462.92 is: 207,935,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,567,268.68 : 821,352,302.70 = 138,623,462.92 : x
  2. Step 2: Convert to fraction form
    547,567,268.68/821,352,302.70 = 138,623,462.92/x
  3. Step 3: Cross multiply
    547,567,268.68x = 821,352,302.70 × 138,623,462.92
  4. Step 4: Simplify right side
    547,567,268.68x = 113,858,700,477,590,064
  5. Step 5: Solve for x
    x = 113,858,700,477,590,064/547,567,268.68
  6. Step 6: Final answer
    x = 207,935,548.73

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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.