Home / 756,873,293.70-1,135,309,940.55-524,421,000.30

Finding the Fourth Proportional to 756,873,293.70, 1,135,309,940.55 and 524,421,000.30

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Solution

The fourth proportional to 756,873,293.70, 1,135,309,940.55 and 524,421,000.30 is: 786,631,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,873,293.70 : 1,135,309,940.55 = 524,421,000.30 : x
  2. Step 2: Convert to fraction form
    756,873,293.70/1,135,309,940.55 = 524,421,000.30/x
  3. Step 3: Cross multiply
    756,873,293.70x = 1,135,309,940.55 × 524,421,000.30
  4. Step 4: Simplify right side
    756,873,293.70x = 595,380,374,673,764,480
  5. Step 5: Solve for x
    x = 595,380,374,673,764,480/756,873,293.70
  6. Step 6: Final answer
    x = 786,631,500.45

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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.