Home / 573,064,118.96-790,820,919.28-318,743,760.56

Finding the Fourth Proportional to 573,064,118.96, 790,820,919.28 and 318,743,760.56

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Solution

The fourth proportional to 573,064,118.96, 790,820,919.28 and 318,743,760.56 is: 439,862,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,064,118.96 : 790,820,919.28 = 318,743,760.56 : x
  2. Step 2: Convert to fraction form
    573,064,118.96/790,820,919.28 = 318,743,760.56/x
  3. Step 3: Cross multiply
    573,064,118.96x = 790,820,919.28 × 318,743,760.56
  4. Step 4: Simplify right side
    573,064,118.96x = 252,069,233,740,823,392
  5. Step 5: Solve for x
    x = 252,069,233,740,823,392/573,064,118.96
  6. Step 6: Final answer
    x = 439,862,181.91

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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.