Home / 3,209,344,520.98-4,428,900,649.12-1,780,415,664.56

Finding the Fourth Proportional to 3,209,344,520.98, 4,428,900,649.12 and 1,780,415,664.56

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Solution

The fourth proportional to 3,209,344,520.98, 4,428,900,649.12 and 1,780,415,664.56 is: 2,456,976,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,344,520.98 : 4,428,900,649.12 = 1,780,415,664.56 : x
  2. Step 2: Convert to fraction form
    3,209,344,520.98/4,428,900,649.12 = 1,780,415,664.56/x
  3. Step 3: Cross multiply
    3,209,344,520.98x = 4,428,900,649.12 × 1,780,415,664.56
  4. Step 4: Simplify right side
    3,209,344,520.98x = 7,885,284,092,473,199,616
  5. Step 5: Solve for x
    x = 7,885,284,092,473,199,616/3,209,344,520.98
  6. Step 6: Final answer
    x = 2,456,976,507.48

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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.