Home / 807,409,789.31-1,114,225,957.60-436,131,824.33

Finding the Fourth Proportional to 807,409,789.31, 1,114,225,957.60 and 436,131,824.33

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Solution

The fourth proportional to 807,409,789.31, 1,114,225,957.60 and 436,131,824.33 is: 601,862,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,409,789.31 : 1,114,225,957.60 = 436,131,824.33 : x
  2. Step 2: Convert to fraction form
    807,409,789.31/1,114,225,957.60 = 436,131,824.33/x
  3. Step 3: Cross multiply
    807,409,789.31x = 1,114,225,957.60 × 436,131,824.33
  4. Step 4: Simplify right side
    807,409,789.31x = 485,949,399,605,624,448
  5. Step 5: Solve for x
    x = 485,949,399,605,624,448/807,409,789.31
  6. Step 6: Final answer
    x = 601,862,159.76

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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.