Home / 5,779,727,726.68-7,976,018,065.98-3,139,530,811.48

Finding the Fourth Proportional to 5,779,727,726.68, 7,976,018,065.98 and 3,139,530,811.48

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Solution

The fourth proportional to 5,779,727,726.68, 7,976,018,065.98 and 3,139,530,811.48 is: 4,332,549,153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779,727,726.68 : 7,976,018,065.98 = 3,139,530,811.48 : x
  2. Step 2: Convert to fraction form
    5,779,727,726.68/7,976,018,065.98 = 3,139,530,811.48/x
  3. Step 3: Cross multiply
    5,779,727,726.68x = 7,976,018,065.98 × 3,139,530,811.48
  4. Step 4: Simplify right side
    5,779,727,726.68x = 25,040,954,471,065,329,664
  5. Step 5: Solve for x
    x = 25,040,954,471,065,329,664/5,779,727,726.68
  6. Step 6: Final answer
    x = 4,332,549,153.74

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Double scale
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1.5x scale

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.