Home / 399,358,877.70-599,102,686.35-123,009,963.51

Finding the Fourth Proportional to 399,358,877.70, 599,102,686.35 and 123,009,963.51

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Solution

The fourth proportional to 399,358,877.70, 599,102,686.35 and 123,009,963.51 is: 184,534,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,358,877.70 : 599,102,686.35 = 123,009,963.51 : x
  2. Step 2: Convert to fraction form
    399,358,877.70/599,102,686.35 = 123,009,963.51/x
  3. Step 3: Cross multiply
    399,358,877.70x = 599,102,686.35 × 123,009,963.51
  4. Step 4: Simplify right side
    399,358,877.70x = 73,695,599,586,656,480
  5. Step 5: Solve for x
    x = 73,695,599,586,656,480/399,358,877.70
  6. Step 6: Final answer
    x = 184,534,772.36

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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.