Home / 1,389,331,282.30-2,083,996,923.45-571,171,666.30

Finding the Fourth Proportional to 1,389,331,282.30, 2,083,996,923.45 and 571,171,666.30

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Solution

The fourth proportional to 1,389,331,282.30, 2,083,996,923.45 and 571,171,666.30 is: 856,757,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,331,282.30 : 2,083,996,923.45 = 571,171,666.30 : x
  2. Step 2: Convert to fraction form
    1,389,331,282.30/2,083,996,923.45 = 571,171,666.30/x
  3. Step 3: Cross multiply
    1,389,331,282.30x = 2,083,996,923.45 × 571,171,666.30
  4. Step 4: Simplify right side
    1,389,331,282.30x = 1,190,319,995,331,010,048
  5. Step 5: Solve for x
    x = 1,190,319,995,331,010,048/1,389,331,282.30
  6. Step 6: Final answer
    x = 856,757,499.45

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Double scale
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1.5x scale

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.