Home / 664,303,102.65-996,454,653.98-660,476,727.45

Finding the Fourth Proportional to 664,303,102.65, 996,454,653.98 and 660,476,727.45

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Solution

The fourth proportional to 664,303,102.65, 996,454,653.98 and 660,476,727.45 is: 990,715,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,303,102.65 : 996,454,653.98 = 660,476,727.45 : x
  2. Step 2: Convert to fraction form
    664,303,102.65/996,454,653.98 = 660,476,727.45/x
  3. Step 3: Cross multiply
    664,303,102.65x = 996,454,653.98 × 660,476,727.45
  4. Step 4: Simplify right side
    664,303,102.65x = 658,135,108,909,730,176
  5. Step 5: Solve for x
    x = 658,135,108,909,730,176/664,303,102.65
  6. Step 6: Final answer
    x = 990,715,091.18

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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.