Home / 342,097,009.02-472,144,988.07-269,305,907.58

Finding the Fourth Proportional to 342,097,009.02, 472,144,988.07 and 269,305,907.58

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Solution

The fourth proportional to 342,097,009.02, 472,144,988.07 and 269,305,907.58 is: 371,682,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,097,009.02 : 472,144,988.07 = 269,305,907.58 : x
  2. Step 2: Convert to fraction form
    342,097,009.02/472,144,988.07 = 269,305,907.58/x
  3. Step 3: Cross multiply
    342,097,009.02x = 472,144,988.07 × 269,305,907.58
  4. Step 4: Simplify right side
    342,097,009.02x = 127,151,434,521,539,616
  5. Step 5: Solve for x
    x = 127,151,434,521,539,616/342,097,009.02
  6. Step 6: Final answer
    x = 371,682,391.75

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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.