Home / 1,119,418,260.40-1,679,835,179.40-659,355,540.40

Finding the Fourth Proportional to 1,119,418,260.40, 1,679,835,179.40 and 659,355,540.40

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Solution

The fourth proportional to 1,119,418,260.40, 1,679,835,179.40 and 659,355,540.40 is: 989,450,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,418,260.40 : 1,679,835,179.40 = 659,355,540.40 : x
  2. Step 2: Convert to fraction form
    1,119,418,260.40/1,679,835,179.40 = 659,355,540.40/x
  3. Step 3: Cross multiply
    1,119,418,260.40x = 1,679,835,179.40 × 659,355,540.40
  4. Step 4: Simplify right side
    1,119,418,260.40x = 1,107,608,632,496,217,984
  5. Step 5: Solve for x
    x = 1,107,608,632,496,217,984/1,119,418,260.40
  6. Step 6: Final answer
    x = 989,450,209.70

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1.5x scale

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.