Home / 766,450,421.28-1,149,771,243.92-300,051,599.54

Finding the Fourth Proportional to 766,450,421.28, 1,149,771,243.92 and 300,051,599.54

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Solution

The fourth proportional to 766,450,421.28, 1,149,771,243.92 and 300,051,599.54 is: 450,114,829.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,450,421.28 : 1,149,771,243.92 = 300,051,599.54 : x
  2. Step 2: Convert to fraction form
    766,450,421.28/1,149,771,243.92 = 300,051,599.54/x
  3. Step 3: Cross multiply
    766,450,421.28x = 1,149,771,243.92 × 300,051,599.54
  4. Step 4: Simplify right side
    766,450,421.28x = 344,990,700,836,042,432
  5. Step 5: Solve for x
    x = 344,990,700,836,042,432/766,450,421.28
  6. Step 6: Final answer
    x = 450,114,829.68

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1.5x scale

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.