Home / 478,589,401.80-660,452,734.80-258,572,827.80

Finding the Fourth Proportional to 478,589,401.80, 660,452,734.80 and 258,572,827.80

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Solution

The fourth proportional to 478,589,401.80, 660,452,734.80 and 258,572,827.80 is: 356,830,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,589,401.80 : 660,452,734.80 = 258,572,827.80 : x
  2. Step 2: Convert to fraction form
    478,589,401.80/660,452,734.80 = 258,572,827.80/x
  3. Step 3: Cross multiply
    478,589,401.80x = 660,452,734.80 × 258,572,827.80
  4. Step 4: Simplify right side
    478,589,401.80x = 170,775,131,265,479,456
  5. Step 5: Solve for x
    x = 170,775,131,265,479,456/478,589,401.80
  6. Step 6: Final answer
    x = 356,830,156.75

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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.