Home / 557,362,726.71-836,025,155.17-142,843,618.25

Finding the Fourth Proportional to 557,362,726.71, 836,025,155.17 and 142,843,618.25

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Solution

The fourth proportional to 557,362,726.71, 836,025,155.17 and 142,843,618.25 is: 214,260,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,362,726.71 : 836,025,155.17 = 142,843,618.25 : x
  2. Step 2: Convert to fraction form
    557,362,726.71/836,025,155.17 = 142,843,618.25/x
  3. Step 3: Cross multiply
    557,362,726.71x = 836,025,155.17 × 142,843,618.25
  4. Step 4: Simplify right side
    557,362,726.71x = 119,420,858,114,769,104
  5. Step 5: Solve for x
    x = 119,420,858,114,769,104/557,362,726.71
  6. Step 6: Final answer
    x = 214,260,574.65

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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.