Home / 731,949,912.08-1,010,108,429.68-397,436,533.68

Finding the Fourth Proportional to 731,949,912.08, 1,010,108,429.68 and 397,436,533.68

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Solution

The fourth proportional to 731,949,912.08, 1,010,108,429.68 and 397,436,533.68 is: 548,471,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,949,912.08 : 1,010,108,429.68 = 397,436,533.68 : x
  2. Step 2: Convert to fraction form
    731,949,912.08/1,010,108,429.68 = 397,436,533.68/x
  3. Step 3: Cross multiply
    731,949,912.08x = 1,010,108,429.68 × 397,436,533.68
  4. Step 4: Simplify right side
    731,949,912.08x = 401,453,992,932,967,232
  5. Step 5: Solve for x
    x = 401,453,992,932,967,232/731,949,912.08
  6. Step 6: Final answer
    x = 548,471,946.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.