Home / 1,217,584,219,655.80-1,680,267,324,396.50-668,911,067,747.08

Finding the Fourth Proportional to 1,217,584,219,655.80, 1,680,267,324,396.50 and 668,911,067,747.08

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Solution

The fourth proportional to 1,217,584,219,655.80, 1,680,267,324,396.50 and 668,911,067,747.08 is: 923,097,878,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,584,219,655.80 : 1,680,267,324,396.50 = 668,911,067,747.08 : x
  2. Step 2: Convert to fraction form
    1,217,584,219,655.80/1,680,267,324,396.50 = 668,911,067,747.08/x
  3. Step 3: Cross multiply
    1,217,584,219,655.80x = 1,680,267,324,396.50 × 668,911,067,747.08
  4. Step 4: Simplify right side
    1,217,584,219,655.80x = 1,123,949,410,062,591,976,275,968
  5. Step 5: Solve for x
    x = 1,123,949,410,062,591,976,275,968/1,217,584,219,655.80
  6. Step 6: Final answer
    x = 923,097,878,502.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.