Home / 634,832,415.38-876,079,564.04-348,736,005.45

Finding the Fourth Proportional to 634,832,415.38, 876,079,564.04 and 348,736,005.45

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Solution

The fourth proportional to 634,832,415.38, 876,079,564.04 and 348,736,005.45 is: 481,261,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,832,415.38 : 876,079,564.04 = 348,736,005.45 : x
  2. Step 2: Convert to fraction form
    634,832,415.38/876,079,564.04 = 348,736,005.45/x
  3. Step 3: Cross multiply
    634,832,415.38x = 876,079,564.04 × 348,736,005.45
  4. Step 4: Simplify right side
    634,832,415.38x = 305,520,487,620,558,912
  5. Step 5: Solve for x
    x = 305,520,487,620,558,912/634,832,415.38
  6. Step 6: Final answer
    x = 481,261,637.27

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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.