Home / 608,608,794.09-912,951,060.90-220,434,987.45

Finding the Fourth Proportional to 608,608,794.09, 912,951,060.90 and 220,434,987.45

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Solution

The fourth proportional to 608,608,794.09, 912,951,060.90 and 220,434,987.45 is: 330,666,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,608,794.09 : 912,951,060.90 = 220,434,987.45 : x
  2. Step 2: Convert to fraction form
    608,608,794.09/912,951,060.90 = 220,434,987.45/x
  3. Step 3: Cross multiply
    608,608,794.09x = 912,951,060.90 × 220,434,987.45
  4. Step 4: Simplify right side
    608,608,794.09x = 201,246,355,651,955,680
  5. Step 5: Solve for x
    x = 201,246,355,651,955,680/608,608,794.09
  6. Step 6: Final answer
    x = 330,666,197.41

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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.