Home / 460,734,004.80-691,101,007.20-430,500,916.80

Finding the Fourth Proportional to 460,734,004.80, 691,101,007.20 and 430,500,916.80

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Solution

The fourth proportional to 460,734,004.80, 691,101,007.20 and 430,500,916.80 is: 645,751,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,734,004.80 : 691,101,007.20 = 430,500,916.80 : x
  2. Step 2: Convert to fraction form
    460,734,004.80/691,101,007.20 = 430,500,916.80/x
  3. Step 3: Cross multiply
    460,734,004.80x = 691,101,007.20 × 430,500,916.80
  4. Step 4: Simplify right side
    460,734,004.80x = 297,519,617,201,003,456
  5. Step 5: Solve for x
    x = 297,519,617,201,003,456/460,734,004.80
  6. Step 6: Final answer
    x = 645,751,375.20

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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.