Home / 437,018,731.90-655,528,097.85-389,401,618.30

Finding the Fourth Proportional to 437,018,731.90, 655,528,097.85 and 389,401,618.30

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Solution

The fourth proportional to 437,018,731.90, 655,528,097.85 and 389,401,618.30 is: 584,102,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,018,731.90 : 655,528,097.85 = 389,401,618.30 : x
  2. Step 2: Convert to fraction form
    437,018,731.90/655,528,097.85 = 389,401,618.30/x
  3. Step 3: Cross multiply
    437,018,731.90x = 655,528,097.85 × 389,401,618.30
  4. Step 4: Simplify right side
    437,018,731.90x = 255,263,702,143,910,752
  5. Step 5: Solve for x
    x = 255,263,702,143,910,752/437,018,731.90
  6. Step 6: Final answer
    x = 584,102,427.45

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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.