Home / 739,315,619.80-1,108,973,429.70-194,112,266.20

Finding the Fourth Proportional to 739,315,619.80, 1,108,973,429.70 and 194,112,266.20

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Solution

The fourth proportional to 739,315,619.80, 1,108,973,429.70 and 194,112,266.20 is: 291,168,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,315,619.80 : 1,108,973,429.70 = 194,112,266.20 : x
  2. Step 2: Convert to fraction form
    739,315,619.80/1,108,973,429.70 = 194,112,266.20/x
  3. Step 3: Cross multiply
    739,315,619.80x = 1,108,973,429.70 × 194,112,266.20
  4. Step 4: Simplify right side
    739,315,619.80x = 215,265,345,594,653,376
  5. Step 5: Solve for x
    x = 215,265,345,594,653,376/739,315,619.80
  6. Step 6: Final answer
    x = 291,168,399.30

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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.