Home / 826,989,022.80-1,141,252,505.24-455,724,340.56

Finding the Fourth Proportional to 826,989,022.80, 1,141,252,505.24 and 455,724,340.56

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Solution

The fourth proportional to 826,989,022.80, 1,141,252,505.24 and 455,724,340.56 is: 628,903,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,989,022.80 : 1,141,252,505.24 = 455,724,340.56 : x
  2. Step 2: Convert to fraction form
    826,989,022.80/1,141,252,505.24 = 455,724,340.56/x
  3. Step 3: Cross multiply
    826,989,022.80x = 1,141,252,505.24 × 455,724,340.56
  4. Step 4: Simplify right side
    826,989,022.80x = 520,096,545,362,946,944
  5. Step 5: Solve for x
    x = 520,096,545,362,946,944/826,989,022.80
  6. Step 6: Final answer
    x = 628,903,807.70

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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.