Home / 299,162,331.16-409,850,482.08-287,975,050.69

Finding the Fourth Proportional to 299,162,331.16, 409,850,482.08 and 287,975,050.69

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Solution

The fourth proportional to 299,162,331.16, 409,850,482.08 and 287,975,050.69 is: 394,523,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,162,331.16 : 409,850,482.08 = 287,975,050.69 : x
  2. Step 2: Convert to fraction form
    299,162,331.16/409,850,482.08 = 287,975,050.69/x
  3. Step 3: Cross multiply
    299,162,331.16x = 409,850,482.08 × 287,975,050.69
  4. Step 4: Simplify right side
    299,162,331.16x = 118,026,713,351,284,304
  5. Step 5: Solve for x
    x = 118,026,713,351,284,304/299,162,331.16
  6. Step 6: Final answer
    x = 394,523,979.32

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.