Home / 1,340,889,674.85-1,850,588,841.87-812,238,149.61

Finding the Fourth Proportional to 1,340,889,674.85, 1,850,588,841.87 and 812,238,149.61

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Solution

The fourth proportional to 1,340,889,674.85, 1,850,588,841.87 and 812,238,149.61 is: 1,120,986,226.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,889,674.85 : 1,850,588,841.87 = 812,238,149.61 : x
  2. Step 2: Convert to fraction form
    1,340,889,674.85/1,850,588,841.87 = 812,238,149.61/x
  3. Step 3: Cross multiply
    1,340,889,674.85x = 1,850,588,841.87 × 812,238,149.61
  4. Step 4: Simplify right side
    1,340,889,674.85x = 1,503,118,856,609,401,600
  5. Step 5: Solve for x
    x = 1,503,118,856,609,401,600/1,340,889,674.85
  6. Step 6: Final answer
    x = 1,120,986,226.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.