Home / 1,389,331,288.80-2,083,996,933.20-571,171,672.80

Finding the Fourth Proportional to 1,389,331,288.80, 2,083,996,933.20 and 571,171,672.80

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Solution

The fourth proportional to 1,389,331,288.80, 2,083,996,933.20 and 571,171,672.80 is: 856,757,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,331,288.80 : 2,083,996,933.20 = 571,171,672.80 : x
  2. Step 2: Convert to fraction form
    1,389,331,288.80/2,083,996,933.20 = 571,171,672.80/x
  3. Step 3: Cross multiply
    1,389,331,288.80x = 2,083,996,933.20 × 571,171,672.80
  4. Step 4: Simplify right side
    1,389,331,288.80x = 1,190,320,014,445,913,856
  5. Step 5: Solve for x
    x = 1,190,320,014,445,913,856/1,389,331,288.80
  6. Step 6: Final answer
    x = 856,757,509.20

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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.