Home / 19,378,422,979.88-29,067,634,437.21-4,656,444,397.88

Finding the Fourth Proportional to 19,378,422,979.88, 29,067,634,437.21 and 4,656,444,397.88

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Solution

The fourth proportional to 19,378,422,979.88, 29,067,634,437.21 and 4,656,444,397.88 is: 6,984,666,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378,422,979.88 : 29,067,634,437.21 = 4,656,444,397.88 : x
  2. Step 2: Convert to fraction form
    19,378,422,979.88/29,067,634,437.21 = 4,656,444,397.88/x
  3. Step 3: Cross multiply
    19,378,422,979.88x = 29,067,634,437.21 × 4,656,444,397.88
  4. Step 4: Simplify right side
    19,378,422,979.88x = 135,351,823,534,624,931,840
  5. Step 5: Solve for x
    x = 135,351,823,534,624,931,840/19,378,422,979.88
  6. Step 6: Final answer
    x = 6,984,666,588.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.