Home / 2,385,643,181.32-3,577,267,535.06-1,389,985,976.69

Finding the Fourth Proportional to 2,385,643,181.32, 3,577,267,535.06 and 1,389,985,976.69

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Solution

The fourth proportional to 2,385,643,181.32, 3,577,267,535.06 and 1,389,985,976.69 is: 2,084,281,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385,643,181.32 : 3,577,267,535.06 = 1,389,985,976.69 : x
  2. Step 2: Convert to fraction form
    2,385,643,181.32/3,577,267,535.06 = 1,389,985,976.69/x
  3. Step 3: Cross multiply
    2,385,643,181.32x = 3,577,267,535.06 × 1,389,985,976.69
  4. Step 4: Simplify right side
    2,385,643,181.32x = 4,972,351,708,600,135,680
  5. Step 5: Solve for x
    x = 4,972,351,708,600,135,680/2,385,643,181.32
  6. Step 6: Final answer
    x = 2,084,281,399.47

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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.