Home / 736,665,480.45-1,016,622,424.22-402,155,839.62

Finding the Fourth Proportional to 736,665,480.45, 1,016,622,424.22 and 402,155,839.62

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Solution

The fourth proportional to 736,665,480.45, 1,016,622,424.22 and 402,155,839.62 is: 554,988,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,665,480.45 : 1,016,622,424.22 = 402,155,839.62 : x
  2. Step 2: Convert to fraction form
    736,665,480.45/1,016,622,424.22 = 402,155,839.62/x
  3. Step 3: Cross multiply
    736,665,480.45x = 1,016,622,424.22 × 402,155,839.62
  4. Step 4: Simplify right side
    736,665,480.45x = 408,840,644,586,703,168
  5. Step 5: Solve for x
    x = 408,840,644,586,703,168/736,665,480.45
  6. Step 6: Final answer
    x = 554,988,194.01

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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.