Home / 371,502,342,378.58-512,665,196,993.22-215,079,130,804.30

Finding the Fourth Proportional to 371,502,342,378.58, 512,665,196,993.22 and 215,079,130,804.30

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Solution

The fourth proportional to 371,502,342,378.58, 512,665,196,993.22 and 215,079,130,804.30 is: 296,804,548,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,502,342,378.58 : 512,665,196,993.22 = 215,079,130,804.30 : x
  2. Step 2: Convert to fraction form
    371,502,342,378.58/512,665,196,993.22 = 215,079,130,804.30/x
  3. Step 3: Cross multiply
    371,502,342,378.58x = 512,665,196,993.22 × 215,079,130,804.30
  4. Step 4: Simplify right side
    371,502,342,378.58x = 110,263,584,962,916,982,456,320
  5. Step 5: Solve for x
    x = 110,263,584,962,916,982,456,320/371,502,342,378.58
  6. Step 6: Final answer
    x = 296,804,548,409.96

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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.