Home / 351,420,119.40-527,130,179.10-260,720,855.40

Finding the Fourth Proportional to 351,420,119.40, 527,130,179.10 and 260,720,855.40

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Solution

The fourth proportional to 351,420,119.40, 527,130,179.10 and 260,720,855.40 is: 391,081,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,420,119.40 : 527,130,179.10 = 260,720,855.40 : x
  2. Step 2: Convert to fraction form
    351,420,119.40/527,130,179.10 = 260,720,855.40/x
  3. Step 3: Cross multiply
    351,420,119.40x = 527,130,179.10 × 260,720,855.40
  4. Step 4: Simplify right side
    351,420,119.40x = 137,433,831,202,107,216
  5. Step 5: Solve for x
    x = 137,433,831,202,107,216/351,420,119.40
  6. Step 6: Final answer
    x = 391,081,283.10

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1.5x scale

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.