Home / 3,209,344,518.98-4,428,900,646.36-1,780,415,662.56

Finding the Fourth Proportional to 3,209,344,518.98, 4,428,900,646.36 and 1,780,415,662.56

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Solution

The fourth proportional to 3,209,344,518.98, 4,428,900,646.36 and 1,780,415,662.56 is: 2,456,976,504.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,344,518.98 : 4,428,900,646.36 = 1,780,415,662.56 : x
  2. Step 2: Convert to fraction form
    3,209,344,518.98/4,428,900,646.36 = 1,780,415,662.56/x
  3. Step 3: Cross multiply
    3,209,344,518.98x = 4,428,900,646.36 × 1,780,415,662.56
  4. Step 4: Simplify right side
    3,209,344,518.98x = 7,885,284,078,701,451,264
  5. Step 5: Solve for x
    x = 7,885,284,078,701,451,264/3,209,344,518.98
  6. Step 6: Final answer
    x = 2,456,976,504.72

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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.