Home / 1,389,331,295.80-2,083,996,943.70-571,171,679.80

Finding the Fourth Proportional to 1,389,331,295.80, 2,083,996,943.70 and 571,171,679.80

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Solution

The fourth proportional to 1,389,331,295.80, 2,083,996,943.70 and 571,171,679.80 is: 856,757,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,331,295.80 : 2,083,996,943.70 = 571,171,679.80 : x
  2. Step 2: Convert to fraction form
    1,389,331,295.80/2,083,996,943.70 = 571,171,679.80/x
  3. Step 3: Cross multiply
    1,389,331,295.80x = 2,083,996,943.70 × 571,171,679.80
  4. Step 4: Simplify right side
    1,389,331,295.80x = 1,190,320,035,031,194,880
  5. Step 5: Solve for x
    x = 1,190,320,035,031,194,880/1,389,331,295.80
  6. Step 6: Final answer
    x = 856,757,519.70

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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.