Home / 221,000,744,491.40-331,501,116,737.10-120,581,353,742.60

Finding the Fourth Proportional to 221,000,744,491.40, 331,501,116,737.10 and 120,581,353,742.60

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Solution

The fourth proportional to 221,000,744,491.40, 331,501,116,737.10 and 120,581,353,742.60 is: 180,872,030,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,000,744,491.40 : 331,501,116,737.10 = 120,581,353,742.60 : x
  2. Step 2: Convert to fraction form
    221,000,744,491.40/331,501,116,737.10 = 120,581,353,742.60/x
  3. Step 3: Cross multiply
    221,000,744,491.40x = 331,501,116,737.10 × 120,581,353,742.60
  4. Step 4: Simplify right side
    221,000,744,491.40x = 39,972,853,423,343,191,195,648
  5. Step 5: Solve for x
    x = 39,972,853,423,343,191,195,648/221,000,744,491.40
  6. Step 6: Final answer
    x = 180,872,030,613.90

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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.