Home / 809,502,872.64-1,117,114,324.92-438,224,892

Finding the Fourth Proportional to 809,502,872.64, 1,117,114,324.92 and 438,224,892

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Solution

The fourth proportional to 809,502,872.64, 1,117,114,324.92 and 438,224,892 is: 604,750,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,502,872.64 : 1,117,114,324.92 = 438,224,892 : x
  2. Step 2: Convert to fraction form
    809,502,872.64/1,117,114,324.92 = 438,224,892/x
  3. Step 3: Cross multiply
    809,502,872.64x = 1,117,114,324.92 × 438,224,892
  4. Step 4: Simplify right side
    809,502,872.64x = 489,547,304,389,719,936
  5. Step 5: Solve for x
    x = 489,547,304,389,719,936/809,502,872.64
  6. Step 6: Final answer
    x = 604,750,546.21

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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.