Home / 664,302,505.65-996,453,758.48-660,476,130.45

Finding the Fourth Proportional to 664,302,505.65, 996,453,758.48 and 660,476,130.45

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Solution

The fourth proportional to 664,302,505.65, 996,453,758.48 and 660,476,130.45 is: 990,714,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,505.65 : 996,453,758.48 = 660,476,130.45 : x
  2. Step 2: Convert to fraction form
    664,302,505.65/996,453,758.48 = 660,476,130.45/x
  3. Step 3: Cross multiply
    664,302,505.65x = 996,453,758.48 × 660,476,130.45
  4. Step 4: Simplify right side
    664,302,505.65x = 658,133,922,569,926,912
  5. Step 5: Solve for x
    x = 658,133,922,569,926,912/664,302,505.65
  6. Step 6: Final answer
    x = 990,714,195.68

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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.