Home / 1,439,667,296.16-2,159,581,656.39-404,447,465.43

Finding the Fourth Proportional to 1,439,667,296.16, 2,159,581,656.39 and 404,447,465.43

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Solution

The fourth proportional to 1,439,667,296.16, 2,159,581,656.39 and 404,447,465.43 is: 606,693,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,667,296.16 : 2,159,581,656.39 = 404,447,465.43 : x
  2. Step 2: Convert to fraction form
    1,439,667,296.16/2,159,581,656.39 = 404,447,465.43/x
  3. Step 3: Cross multiply
    1,439,667,296.16x = 2,159,581,656.39 × 404,447,465.43
  4. Step 4: Simplify right side
    1,439,667,296.16x = 873,437,327,316,056,576
  5. Step 5: Solve for x
    x = 873,437,327,316,056,576/1,439,667,296.16
  6. Step 6: Final answer
    x = 606,693,872.71

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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.