Home / 437,018,655.15-655,527,982.73-389,401,541.55

Finding the Fourth Proportional to 437,018,655.15, 655,527,982.73 and 389,401,541.55

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Solution

The fourth proportional to 437,018,655.15, 655,527,982.73 and 389,401,541.55 is: 584,102,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,018,655.15 : 655,527,982.73 = 389,401,541.55 : x
  2. Step 2: Convert to fraction form
    437,018,655.15/655,527,982.73 = 389,401,541.55/x
  3. Step 3: Cross multiply
    437,018,655.15x = 655,527,982.73 × 389,401,541.55
  4. Step 4: Simplify right side
    437,018,655.15x = 255,263,607,002,276,800
  5. Step 5: Solve for x
    x = 255,263,607,002,276,800/437,018,655.15
  6. Step 6: Final answer
    x = 584,102,312.33

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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.