Home / 941,428,810.38-1,412,347,500.81-286,362,811.56

Finding the Fourth Proportional to 941,428,810.38, 1,412,347,500.81 and 286,362,811.56

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Solution

The fourth proportional to 941,428,810.38, 1,412,347,500.81 and 286,362,811.56 is: 429,606,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,428,810.38 : 1,412,347,500.81 = 286,362,811.56 : x
  2. Step 2: Convert to fraction form
    941,428,810.38/1,412,347,500.81 = 286,362,811.56/x
  3. Step 3: Cross multiply
    941,428,810.38x = 1,412,347,500.81 × 286,362,811.56
  4. Step 4: Simplify right side
    941,428,810.38x = 404,443,801,231,690,944
  5. Step 5: Solve for x
    x = 404,443,801,231,690,944/941,428,810.38
  6. Step 6: Final answer
    x = 429,606,356.61

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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.