Home / 206,795,883,049.32-309,759,423,756.96-131,210,126,879.40

Finding the Fourth Proportional to 206,795,883,049.32, 309,759,423,756.96 and 131,210,126,879.40

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Solution

The fourth proportional to 206,795,883,049.32, 309,759,423,756.96 and 131,210,126,879.40 is: 196,539,566,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,795,883,049.32 : 309,759,423,756.96 = 131,210,126,879.40 : x
  2. Step 2: Convert to fraction form
    206,795,883,049.32/309,759,423,756.96 = 131,210,126,879.40/x
  3. Step 3: Cross multiply
    206,795,883,049.32x = 309,759,423,756.96 × 131,210,126,879.40
  4. Step 4: Simplify right side
    206,795,883,049.32x = 40,643,573,293,240,553,570,304
  5. Step 5: Solve for x
    x = 40,643,573,293,240,553,570,304/206,795,883,049.32
  6. Step 6: Final answer
    x = 196,539,566,909.79

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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.