Home / 457,543,787.70-631,414,914.75-248,699,800.89

Finding the Fourth Proportional to 457,543,787.70, 631,414,914.75 and 248,699,800.89

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Solution

The fourth proportional to 457,543,787.70, 631,414,914.75 and 248,699,800.89 is: 343,208,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,543,787.70 : 631,414,914.75 = 248,699,800.89 : x
  2. Step 2: Convert to fraction form
    457,543,787.70/631,414,914.75 = 248,699,800.89/x
  3. Step 3: Cross multiply
    457,543,787.70x = 631,414,914.75 × 248,699,800.89
  4. Step 4: Simplify right side
    457,543,787.70x = 157,032,763,577,301,312
  5. Step 5: Solve for x
    x = 157,032,763,577,301,312/457,543,787.70
  6. Step 6: Final answer
    x = 343,208,164.55

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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.