Home / 378,696,060,962.10-522,600,845,881.48-205,082,548,093.72

Finding the Fourth Proportional to 378,696,060,962.10, 522,600,845,881.48 and 205,082,548,093.72

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Solution

The fourth proportional to 378,696,060,962.10, 522,600,845,881.48 and 205,082,548,093.72 is: 283,014,068,952.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,696,060,962.10 : 522,600,845,881.48 = 205,082,548,093.72 : x
  2. Step 2: Convert to fraction form
    378,696,060,962.10/522,600,845,881.48 = 205,082,548,093.72/x
  3. Step 3: Cross multiply
    378,696,060,962.10x = 522,600,845,881.48 × 205,082,548,093.72
  4. Step 4: Simplify right side
    378,696,060,962.10x = 107,176,313,109,307,365,261,312
  5. Step 5: Solve for x
    x = 107,176,313,109,307,365,261,312/378,696,060,962.10
  6. Step 6: Final answer
    x = 283,014,068,952.87

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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.