Home / 1,130,757,965.80-1,694,877,236.70-440,435,789.80

Finding the Fourth Proportional to 1,130,757,965.80, 1,694,877,236.70 and 440,435,789.80

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Solution

The fourth proportional to 1,130,757,965.80, 1,694,877,236.70 and 440,435,789.80 is: 660,163,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,757,965.80 : 1,694,877,236.70 = 440,435,789.80 : x
  2. Step 2: Convert to fraction form
    1,130,757,965.80/1,694,877,236.70 = 440,435,789.80/x
  3. Step 3: Cross multiply
    1,130,757,965.80x = 1,694,877,236.70 × 440,435,789.80
  4. Step 4: Simplify right side
    1,130,757,965.80x = 746,484,594,360,006,144
  5. Step 5: Solve for x
    x = 746,484,594,360,006,144/1,130,757,965.80
  6. Step 6: Final answer
    x = 660,163,020.68

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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.