Home / 648,364,544.69-894,741,965.10-351,006,673.05

Finding the Fourth Proportional to 648,364,544.69, 894,741,965.10 and 351,006,673.05

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Solution

The fourth proportional to 648,364,544.69, 894,741,965.10 and 351,006,673.05 is: 484,388,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,364,544.69 : 894,741,965.10 = 351,006,673.05 : x
  2. Step 2: Convert to fraction form
    648,364,544.69/894,741,965.10 = 351,006,673.05/x
  3. Step 3: Cross multiply
    648,364,544.69x = 894,741,965.10 × 351,006,673.05
  4. Step 4: Simplify right side
    648,364,544.69x = 314,060,400,407,970,240
  5. Step 5: Solve for x
    x = 314,060,400,407,970,240/648,364,544.69
  6. Step 6: Final answer
    x = 484,388,609.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.