Home / 424,187,006.90-585,368,896.86-245,578,426.51

Finding the Fourth Proportional to 424,187,006.90, 585,368,896.86 and 245,578,426.51

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Solution

The fourth proportional to 424,187,006.90, 585,368,896.86 and 245,578,426.51 is: 338,892,918.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,187,006.90 : 585,368,896.86 = 245,578,426.51 : x
  2. Step 2: Convert to fraction form
    424,187,006.90/585,368,896.86 = 245,578,426.51/x
  3. Step 3: Cross multiply
    424,187,006.90x = 585,368,896.86 × 245,578,426.51
  4. Step 4: Simplify right side
    424,187,006.90x = 143,753,972,617,309,856
  5. Step 5: Solve for x
    x = 143,753,972,617,309,856/424,187,006.90
  6. Step 6: Final answer
    x = 338,892,918.17

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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.