Home / 1,406,291,952.77-1,940,504,523.99-771,045,280.73

Finding the Fourth Proportional to 1,406,291,952.77, 1,940,504,523.99 and 771,045,280.73

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Solution

The fourth proportional to 1,406,291,952.77, 1,940,504,523.99 and 771,045,280.73 is: 1,063,944,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,291,952.77 : 1,940,504,523.99 = 771,045,280.73 : x
  2. Step 2: Convert to fraction form
    1,406,291,952.77/1,940,504,523.99 = 771,045,280.73/x
  3. Step 3: Cross multiply
    1,406,291,952.77x = 1,940,504,523.99 × 771,045,280.73
  4. Step 4: Simplify right side
    1,406,291,952.77x = 1,496,216,855,448,002,048
  5. Step 5: Solve for x
    x = 1,496,216,855,448,002,048/1,406,291,952.77
  6. Step 6: Final answer
    x = 1,063,944,689.79

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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.