Home / 510,274,079.80-764,789,289.99-264,495,214.42

Finding the Fourth Proportional to 510,274,079.80, 764,789,289.99 and 264,495,214.42

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Solution

The fourth proportional to 510,274,079.80, 764,789,289.99 and 264,495,214.42 is: 396,420,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,274,079.80 : 764,789,289.99 = 264,495,214.42 : x
  2. Step 2: Convert to fraction form
    510,274,079.80/764,789,289.99 = 264,495,214.42/x
  3. Step 3: Cross multiply
    510,274,079.80x = 764,789,289.99 × 264,495,214.42
  4. Step 4: Simplify right side
    510,274,079.80x = 202,283,107,239,120,768
  5. Step 5: Solve for x
    x = 202,283,107,239,120,768/510,274,079.80
  6. Step 6: Final answer
    x = 396,420,502.72

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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.