Home / 395,784,085.76-546,230,477.51-228,520,066.08

Finding the Fourth Proportional to 395,784,085.76, 546,230,477.51 and 228,520,066.08

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Solution

The fourth proportional to 395,784,085.76, 546,230,477.51 and 228,520,066.08 is: 315,385,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,784,085.76 : 546,230,477.51 = 228,520,066.08 : x
  2. Step 2: Convert to fraction form
    395,784,085.76/546,230,477.51 = 228,520,066.08/x
  3. Step 3: Cross multiply
    395,784,085.76x = 546,230,477.51 × 228,520,066.08
  4. Step 4: Simplify right side
    395,784,085.76x = 124,824,624,817,257,872
  5. Step 5: Solve for x
    x = 124,824,624,817,257,872/395,784,085.76
  6. Step 6: Final answer
    x = 315,385,659.27

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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.