Home / 1,026,432,022.20-1,539,648,033.30-299,494,217.40

Finding the Fourth Proportional to 1,026,432,022.20, 1,539,648,033.30 and 299,494,217.40

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Solution

The fourth proportional to 1,026,432,022.20, 1,539,648,033.30 and 299,494,217.40 is: 449,241,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,432,022.20 : 1,539,648,033.30 = 299,494,217.40 : x
  2. Step 2: Convert to fraction form
    1,026,432,022.20/1,539,648,033.30 = 299,494,217.40/x
  3. Step 3: Cross multiply
    1,026,432,022.20x = 1,539,648,033.30 × 299,494,217.40
  4. Step 4: Simplify right side
    1,026,432,022.20x = 461,115,682,804,632,576
  5. Step 5: Solve for x
    x = 461,115,682,804,632,576/1,026,432,022.20
  6. Step 6: Final answer
    x = 449,241,326.10

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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.