Home / 457,846,982,713.36-686,872,902,892.92-139,518,095,186.80

Finding the Fourth Proportional to 457,846,982,713.36, 686,872,902,892.92 and 139,518,095,186.80

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Solution

The fourth proportional to 457,846,982,713.36, 686,872,902,892.92 and 139,518,095,186.80 is: 209,308,355,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,846,982,713.36 : 686,872,902,892.92 = 139,518,095,186.80 : x
  2. Step 2: Convert to fraction form
    457,846,982,713.36/686,872,902,892.92 = 139,518,095,186.80/x
  3. Step 3: Cross multiply
    457,846,982,713.36x = 686,872,902,892.92 × 139,518,095,186.80
  4. Step 4: Simplify right side
    457,846,982,713.36x = 95,831,199,047,048,040,022,016
  5. Step 5: Solve for x
    x = 95,831,199,047,048,040,022,016/457,846,982,713.36
  6. Step 6: Final answer
    x = 209,308,355,553.90

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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.