Home / 675,427,923.13-932,100,053.15-389,161,238.11

Finding the Fourth Proportional to 675,427,923.13, 932,100,053.15 and 389,161,238.11

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Solution

The fourth proportional to 675,427,923.13, 932,100,053.15 and 389,161,238.11 is: 537,047,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,427,923.13 : 932,100,053.15 = 389,161,238.11 : x
  2. Step 2: Convert to fraction form
    675,427,923.13/932,100,053.15 = 389,161,238.11/x
  3. Step 3: Cross multiply
    675,427,923.13x = 932,100,053.15 × 389,161,238.11
  4. Step 4: Simplify right side
    675,427,923.13x = 362,737,210,726,250,816
  5. Step 5: Solve for x
    x = 362,737,210,726,250,816/675,427,923.13
  6. Step 6: Final answer
    x = 537,047,993.29

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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.