Home / 1,435,511,456.20-2,153,267,184.30-344,994,524.20

Finding the Fourth Proportional to 1,435,511,456.20, 2,153,267,184.30 and 344,994,524.20

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Solution

The fourth proportional to 1,435,511,456.20, 2,153,267,184.30 and 344,994,524.20 is: 517,491,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,511,456.20 : 2,153,267,184.30 = 344,994,524.20 : x
  2. Step 2: Convert to fraction form
    1,435,511,456.20/2,153,267,184.30 = 344,994,524.20/x
  3. Step 3: Cross multiply
    1,435,511,456.20x = 2,153,267,184.30 × 344,994,524.20
  4. Step 4: Simplify right side
    1,435,511,456.20x = 742,865,387,723,052,288
  5. Step 5: Solve for x
    x = 742,865,387,723,052,288/1,435,511,456.20
  6. Step 6: Final answer
    x = 517,491,786.30

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Double scale
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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.