Home / 798,705,795.20-1,198,118,931.22-238,423,387.80

Finding the Fourth Proportional to 798,705,795.20, 1,198,118,931.22 and 238,423,387.80

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Solution

The fourth proportional to 798,705,795.20, 1,198,118,931.22 and 238,423,387.80 is: 357,653,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,705,795.20 : 1,198,118,931.22 = 238,423,387.80 : x
  2. Step 2: Convert to fraction form
    798,705,795.20/1,198,118,931.22 = 238,423,387.80/x
  3. Step 3: Cross multiply
    798,705,795.20x = 1,198,118,931.22 × 238,423,387.80
  4. Step 4: Simplify right side
    798,705,795.20x = 285,659,574,568,787,616
  5. Step 5: Solve for x
    x = 285,659,574,568,787,616/798,705,795.20
  6. Step 6: Final answer
    x = 357,653,063.60

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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.