Home / 2,125,769,172.10-3,188,653,758.15-961,275,652.90

Finding the Fourth Proportional to 2,125,769,172.10, 3,188,653,758.15 and 961,275,652.90

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Solution

The fourth proportional to 2,125,769,172.10, 3,188,653,758.15 and 961,275,652.90 is: 1,441,913,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,769,172.10 : 3,188,653,758.15 = 961,275,652.90 : x
  2. Step 2: Convert to fraction form
    2,125,769,172.10/3,188,653,758.15 = 961,275,652.90/x
  3. Step 3: Cross multiply
    2,125,769,172.10x = 3,188,653,758.15 × 961,275,652.90
  4. Step 4: Simplify right side
    2,125,769,172.10x = 3,065,175,223,237,680,128
  5. Step 5: Solve for x
    x = 3,065,175,223,237,680,128/2,125,769,172.10
  6. Step 6: Final answer
    x = 1,441,913,479.35

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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.