Home / 1,545,232,962.70-2,318,882,667.81-660,125,169.69

Finding the Fourth Proportional to 1,545,232,962.70, 2,318,882,667.81 and 660,125,169.69

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Solution

The fourth proportional to 1,545,232,962.70, 2,318,882,667.81 and 660,125,169.69 is: 990,629,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,232,962.70 : 2,318,882,667.81 = 660,125,169.69 : x
  2. Step 2: Convert to fraction form
    1,545,232,962.70/2,318,882,667.81 = 660,125,169.69/x
  3. Step 3: Cross multiply
    1,545,232,962.70x = 2,318,882,667.81 × 660,125,169.69
  4. Step 4: Simplify right side
    1,545,232,962.70x = 1,530,752,814,579,276,288
  5. Step 5: Solve for x
    x = 1,530,752,814,579,276,288/1,545,232,962.70
  6. Step 6: Final answer
    x = 990,629,148.83

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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.