Home / 279,936,479.10-419,904,718.65-188,565,368.70

Finding the Fourth Proportional to 279,936,479.10, 419,904,718.65 and 188,565,368.70

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Solution

The fourth proportional to 279,936,479.10, 419,904,718.65 and 188,565,368.70 is: 282,848,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,479.10 : 419,904,718.65 = 188,565,368.70 : x
  2. Step 2: Convert to fraction form
    279,936,479.10/419,904,718.65 = 188,565,368.70/x
  3. Step 3: Cross multiply
    279,936,479.10x = 419,904,718.65 × 188,565,368.70
  4. Step 4: Simplify right side
    279,936,479.10x = 79,179,488,091,107,008
  5. Step 5: Solve for x
    x = 79,179,488,091,107,008/279,936,479.10
  6. Step 6: Final answer
    x = 282,848,053.05

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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.