Home / 539,023,324.90-743,854,430.33-291,504,679.15

Finding the Fourth Proportional to 539,023,324.90, 743,854,430.33 and 291,504,679.15

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Solution

The fourth proportional to 539,023,324.90, 743,854,430.33 and 291,504,679.15 is: 402,277,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,023,324.90 : 743,854,430.33 = 291,504,679.15 : x
  2. Step 2: Convert to fraction form
    539,023,324.90/743,854,430.33 = 291,504,679.15/x
  3. Step 3: Cross multiply
    539,023,324.90x = 743,854,430.33 × 291,504,679.15
  4. Step 4: Simplify right side
    539,023,324.90x = 216,837,047,047,652,672
  5. Step 5: Solve for x
    x = 216,837,047,047,652,672/539,023,324.90
  6. Step 6: Final answer
    x = 402,277,669.69

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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.