Home / 412,547,778.28-569,326,704.42-226,913,664.52

Finding the Fourth Proportional to 412,547,778.28, 569,326,704.42 and 226,913,664.52

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Solution

The fourth proportional to 412,547,778.28, 569,326,704.42 and 226,913,664.52 is: 313,146,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,547,778.28 : 569,326,704.42 = 226,913,664.52 : x
  2. Step 2: Convert to fraction form
    412,547,778.28/569,326,704.42 = 226,913,664.52/x
  3. Step 3: Cross multiply
    412,547,778.28x = 569,326,704.42 × 226,913,664.52
  4. Step 4: Simplify right side
    412,547,778.28x = 129,188,008,809,037,072
  5. Step 5: Solve for x
    x = 129,188,008,809,037,072/412,547,778.28
  6. Step 6: Final answer
    x = 313,146,781.08

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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.