Home / 1,614,356,434.65-2,227,811,866.71-871,800,431.79

Finding the Fourth Proportional to 1,614,356,434.65, 2,227,811,866.71 and 871,800,431.79

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Solution

The fourth proportional to 1,614,356,434.65, 2,227,811,866.71 and 871,800,431.79 is: 1,203,084,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614,356,434.65 : 2,227,811,866.71 = 871,800,431.79 : x
  2. Step 2: Convert to fraction form
    1,614,356,434.65/2,227,811,866.71 = 871,800,431.79/x
  3. Step 3: Cross multiply
    1,614,356,434.65x = 2,227,811,866.71 × 871,800,431.79
  4. Step 4: Simplify right side
    1,614,356,434.65x = 1,942,207,347,344,663,808
  5. Step 5: Solve for x
    x = 1,942,207,347,344,663,808/1,614,356,434.65
  6. Step 6: Final answer
    x = 1,203,084,588.79

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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.