Home / 543,982,291.70-750,698,104.80-309,045,843.80

Finding the Fourth Proportional to 543,982,291.70, 750,698,104.80 and 309,045,843.80

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Solution

The fourth proportional to 543,982,291.70, 750,698,104.80 and 309,045,843.80 is: 426,484,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,982,291.70 : 750,698,104.80 = 309,045,843.80 : x
  2. Step 2: Convert to fraction form
    543,982,291.70/750,698,104.80 = 309,045,843.80/x
  3. Step 3: Cross multiply
    543,982,291.70x = 750,698,104.80 × 309,045,843.80
  4. Step 4: Simplify right side
    543,982,291.70x = 232,000,129,236,976,832
  5. Step 5: Solve for x
    x = 232,000,129,236,976,832/543,982,291.70
  6. Step 6: Final answer
    x = 426,484,708.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.