Home / 3,209,344,516.16-4,428,900,642.49-1,780,415,659.74

Finding the Fourth Proportional to 3,209,344,516.16, 4,428,900,642.49 and 1,780,415,659.74

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Solution

The fourth proportional to 3,209,344,516.16, 4,428,900,642.49 and 1,780,415,659.74 is: 2,456,976,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,344,516.16 : 4,428,900,642.49 = 1,780,415,659.74 : x
  2. Step 2: Convert to fraction form
    3,209,344,516.16/4,428,900,642.49 = 1,780,415,659.74/x
  3. Step 3: Cross multiply
    3,209,344,516.16x = 4,428,900,642.49 × 1,780,415,659.74
  4. Step 4: Simplify right side
    3,209,344,516.16x = 7,885,284,059,317,113,856
  5. Step 5: Solve for x
    x = 7,885,284,059,317,113,856/3,209,344,516.16
  6. Step 6: Final answer
    x = 2,456,976,500.84

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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.