Home / 290,315,896.65-435,473,844.98-199,616,632.65

Finding the Fourth Proportional to 290,315,896.65, 435,473,844.98 and 199,616,632.65

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Solution

The fourth proportional to 290,315,896.65, 435,473,844.98 and 199,616,632.65 is: 299,424,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,315,896.65 : 435,473,844.98 = 199,616,632.65 : x
  2. Step 2: Convert to fraction form
    290,315,896.65/435,473,844.98 = 199,616,632.65/x
  3. Step 3: Cross multiply
    290,315,896.65x = 435,473,844.98 × 199,616,632.65
  4. Step 4: Simplify right side
    290,315,896.65x = 86,927,822,541,057,632
  5. Step 5: Solve for x
    x = 86,927,822,541,057,632/290,315,896.65
  6. Step 6: Final answer
    x = 299,424,948.98

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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.