Home / 442,501,386.38-610,648,427.49-256,879,660.94

Finding the Fourth Proportional to 442,501,386.38, 610,648,427.49 and 256,879,660.94

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Solution

The fourth proportional to 442,501,386.38, 610,648,427.49 and 256,879,660.94 is: 354,491,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,501,386.38 : 610,648,427.49 = 256,879,660.94 : x
  2. Step 2: Convert to fraction form
    442,501,386.38/610,648,427.49 = 256,879,660.94/x
  3. Step 3: Cross multiply
    442,501,386.38x = 610,648,427.49 × 256,879,660.94
  4. Step 4: Simplify right side
    442,501,386.38x = 156,863,161,007,738,720
  5. Step 5: Solve for x
    x = 156,863,161,007,738,720/442,501,386.38
  6. Step 6: Final answer
    x = 354,491,908.58

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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.