Home / 862,275,424.30-1,293,413,136.45-248,879,661.10

Finding the Fourth Proportional to 862,275,424.30, 1,293,413,136.45 and 248,879,661.10

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Solution

The fourth proportional to 862,275,424.30, 1,293,413,136.45 and 248,879,661.10 is: 373,319,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,275,424.30 : 1,293,413,136.45 = 248,879,661.10 : x
  2. Step 2: Convert to fraction form
    862,275,424.30/1,293,413,136.45 = 248,879,661.10/x
  3. Step 3: Cross multiply
    862,275,424.30x = 1,293,413,136.45 × 248,879,661.10
  4. Step 4: Simplify right side
    862,275,424.30x = 321,904,223,061,964,032
  5. Step 5: Solve for x
    x = 321,904,223,061,964,032/862,275,424.30
  6. Step 6: Final answer
    x = 373,319,491.65

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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.