Home / 368,135,005.33-508,025,953.78-203,122,582.93

Finding the Fourth Proportional to 368,135,005.33, 508,025,953.78 and 203,122,582.93

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Solution

The fourth proportional to 368,135,005.33, 508,025,953.78 and 203,122,582.93 is: 280,308,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,135,005.33 : 508,025,953.78 = 203,122,582.93 : x
  2. Step 2: Convert to fraction form
    368,135,005.33/508,025,953.78 = 203,122,582.93/x
  3. Step 3: Cross multiply
    368,135,005.33x = 508,025,953.78 × 203,122,582.93
  4. Step 4: Simplify right side
    368,135,005.33x = 103,191,543,927,270,400
  5. Step 5: Solve for x
    x = 103,191,543,927,270,400/368,135,005.33
  6. Step 6: Final answer
    x = 280,308,969.35

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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.