Home / 345,904,659,678.10-518,935,226,963.56-186,724,342,406.38

Finding the Fourth Proportional to 345,904,659,678.10, 518,935,226,963.56 and 186,724,342,406.38

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Solution

The fourth proportional to 345,904,659,678.10, 518,935,226,963.56 and 186,724,342,406.38 is: 280,128,747,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,904,659,678.10 : 518,935,226,963.56 = 186,724,342,406.38 : x
  2. Step 2: Convert to fraction form
    345,904,659,678.10/518,935,226,963.56 = 186,724,342,406.38/x
  3. Step 3: Cross multiply
    345,904,659,678.10x = 518,935,226,963.56 × 186,724,342,406.38
  4. Step 4: Simplify right side
    345,904,659,678.10x = 96,897,839,006,276,290,347,008
  5. Step 5: Solve for x
    x = 96,897,839,006,276,290,347,008/345,904,659,678.10
  6. Step 6: Final answer
    x = 280,128,747,315.66

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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.