Home / 520,273,471.29-780,334,241.49-151,709,383.77

Finding the Fourth Proportional to 520,273,471.29, 780,334,241.49 and 151,709,383.77

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Solution

The fourth proportional to 520,273,471.29, 780,334,241.49 and 151,709,383.77 is: 227,541,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,273,471.29 : 780,334,241.49 = 151,709,383.77 : x
  2. Step 2: Convert to fraction form
    520,273,471.29/780,334,241.49 = 151,709,383.77/x
  3. Step 3: Cross multiply
    520,273,471.29x = 780,334,241.49 × 151,709,383.77
  4. Step 4: Simplify right side
    520,273,471.29x = 118,384,026,911,078,272
  5. Step 5: Solve for x
    x = 118,384,026,911,078,272/520,273,471.29
  6. Step 6: Final answer
    x = 227,541,924.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.