Home / 19,415,304,002.80-29,122,956,004.20-19,221,812,239.60

Finding the Fourth Proportional to 19,415,304,002.80, 29,122,956,004.20 and 19,221,812,239.60

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Solution

The fourth proportional to 19,415,304,002.80, 29,122,956,004.20 and 19,221,812,239.60 is: 28,832,718,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415,304,002.80 : 29,122,956,004.20 = 19,221,812,239.60 : x
  2. Step 2: Convert to fraction form
    19,415,304,002.80/29,122,956,004.20 = 19,221,812,239.60/x
  3. Step 3: Cross multiply
    19,415,304,002.80x = 29,122,956,004.20 × 19,221,812,239.60
  4. Step 4: Simplify right side
    19,415,304,002.80x = 559,795,992,174,863,843,328
  5. Step 5: Solve for x
    x = 559,795,992,174,863,843,328/19,415,304,002.80
  6. Step 6: Final answer
    x = 28,832,718,359.40

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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.