Home / 387,378,967,688.64-534,581,491,091.04-216,100,762,768.32

Finding the Fourth Proportional to 387,378,967,688.64, 534,581,491,091.04 and 216,100,762,768.32

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Solution

The fourth proportional to 387,378,967,688.64, 534,581,491,091.04 and 216,100,762,768.32 is: 298,218,224,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,378,967,688.64 : 534,581,491,091.04 = 216,100,762,768.32 : x
  2. Step 2: Convert to fraction form
    387,378,967,688.64/534,581,491,091.04 = 216,100,762,768.32/x
  3. Step 3: Cross multiply
    387,378,967,688.64x = 534,581,491,091.04 × 216,100,762,768.32
  4. Step 4: Simplify right side
    387,378,967,688.64x = 115,523,467,986,599,600,455,680
  5. Step 5: Solve for x
    x = 115,523,467,986,599,600,455,680/387,378,967,688.64
  6. Step 6: Final answer
    x = 298,218,224,587.38

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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.