Home / 269,547,470.40-404,395,855.20-178,848,206.40

Finding the Fourth Proportional to 269,547,470.40, 404,395,855.20 and 178,848,206.40

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Solution

The fourth proportional to 269,547,470.40, 404,395,855.20 and 178,848,206.40 is: 268,321,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,547,470.40 : 404,395,855.20 = 178,848,206.40 : x
  2. Step 2: Convert to fraction form
    269,547,470.40/404,395,855.20 = 178,848,206.40/x
  3. Step 3: Cross multiply
    269,547,470.40x = 404,395,855.20 × 178,848,206.40
  4. Step 4: Simplify right side
    269,547,470.40x = 72,325,473,378,114,112
  5. Step 5: Solve for x
    x = 72,325,473,378,114,112/269,547,470.40
  6. Step 6: Final answer
    x = 268,321,840.57

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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.