Home / 380,954,799.84-525,829,507.44-248,815,997.28

Finding the Fourth Proportional to 380,954,799.84, 525,829,507.44 and 248,815,997.28

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Solution

The fourth proportional to 380,954,799.84, 525,829,507.44 and 248,815,997.28 is: 343,439,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,954,799.84 : 525,829,507.44 = 248,815,997.28 : x
  2. Step 2: Convert to fraction form
    380,954,799.84/525,829,507.44 = 248,815,997.28/x
  3. Step 3: Cross multiply
    380,954,799.84x = 525,829,507.44 × 248,815,997.28
  4. Step 4: Simplify right side
    380,954,799.84x = 130,834,793,292,934,784
  5. Step 5: Solve for x
    x = 130,834,793,292,934,784/380,954,799.84
  6. Step 6: Final answer
    x = 343,439,151.70

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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.