Home / 554,472,359.19-765,141,541.67-303,528,205.60

Finding the Fourth Proportional to 554,472,359.19, 765,141,541.67 and 303,528,205.60

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Solution

The fourth proportional to 554,472,359.19, 765,141,541.67 and 303,528,205.60 is: 418,852,329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,472,359.19 : 765,141,541.67 = 303,528,205.60 : x
  2. Step 2: Convert to fraction form
    554,472,359.19/765,141,541.67 = 303,528,205.60/x
  3. Step 3: Cross multiply
    554,472,359.19x = 765,141,541.67 × 303,528,205.60
  4. Step 4: Simplify right side
    554,472,359.19x = 232,242,039,171,958,720
  5. Step 5: Solve for x
    x = 232,242,039,171,958,720/554,472,359.19
  6. Step 6: Final answer
    x = 418,852,329.29

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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.