Home / 542,320,645.48-747,645,961.31-363,736,447.01

Finding the Fourth Proportional to 542,320,645.48, 747,645,961.31 and 363,736,447.01

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Solution

The fourth proportional to 542,320,645.48, 747,645,961.31 and 363,736,447.01 is: 501,448,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,320,645.48 : 747,645,961.31 = 363,736,447.01 : x
  2. Step 2: Convert to fraction form
    542,320,645.48/747,645,961.31 = 363,736,447.01/x
  3. Step 3: Cross multiply
    542,320,645.48x = 747,645,961.31 × 363,736,447.01
  4. Step 4: Simplify right side
    542,320,645.48x = 271,946,085,585,446,432
  5. Step 5: Solve for x
    x = 271,946,085,585,446,432/542,320,645.48
  6. Step 6: Final answer
    x = 501,448,889.79

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1.5x scale

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.