Home / 510,274,493.86-764,789,911.08-264,495,628.48

Finding the Fourth Proportional to 510,274,493.86, 764,789,911.08 and 264,495,628.48

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Solution

The fourth proportional to 510,274,493.86, 764,789,911.08 and 264,495,628.48 is: 396,421,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,274,493.86 : 764,789,911.08 = 264,495,628.48 : x
  2. Step 2: Convert to fraction form
    510,274,493.86/764,789,911.08 = 264,495,628.48/x
  3. Step 3: Cross multiply
    510,274,493.86x = 764,789,911.08 × 264,495,628.48
  4. Step 4: Simplify right side
    510,274,493.86x = 202,283,588,186,267,904
  5. Step 5: Solve for x
    x = 202,283,588,186,267,904/510,274,493.86
  6. Step 6: Final answer
    x = 396,421,123.57

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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.