Home / 437,060,579.10-655,401,911.85-218,626,518.30

Finding the Fourth Proportional to 437,060,579.10, 655,401,911.85 and 218,626,518.30

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Solution

The fourth proportional to 437,060,579.10, 655,401,911.85 and 218,626,518.30 is: 327,845,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,060,579.10 : 655,401,911.85 = 218,626,518.30 : x
  2. Step 2: Convert to fraction form
    437,060,579.10/655,401,911.85 = 218,626,518.30/x
  3. Step 3: Cross multiply
    437,060,579.10x = 655,401,911.85 × 218,626,518.30
  4. Step 4: Simplify right side
    437,060,579.10x = 143,288,238,074,929,024
  5. Step 5: Solve for x
    x = 143,288,238,074,929,024/437,060,579.10
  6. Step 6: Final answer
    x = 327,845,257.45

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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.