Home / 371,502,342,373.52-512,665,196,986.25-215,079,130,799.24

Finding the Fourth Proportional to 371,502,342,373.52, 512,665,196,986.25 and 215,079,130,799.24

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Solution

The fourth proportional to 371,502,342,373.52, 512,665,196,986.25 and 215,079,130,799.24 is: 296,804,548,402.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,502,342,373.52 : 512,665,196,986.25 = 215,079,130,799.24 : x
  2. Step 2: Convert to fraction form
    371,502,342,373.52/512,665,196,986.25 = 215,079,130,799.24/x
  3. Step 3: Cross multiply
    371,502,342,373.52x = 512,665,196,986.25 × 215,079,130,799.24
  4. Step 4: Simplify right side
    371,502,342,373.52x = 110,263,584,958,823,794,737,152
  5. Step 5: Solve for x
    x = 110,263,584,958,823,794,737,152/371,502,342,373.52
  6. Step 6: Final answer
    x = 296,804,548,402.99

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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.