Home / 363,353,819.40-544,381,190.10-221,124,461.40

Finding the Fourth Proportional to 363,353,819.40, 544,381,190.10 and 221,124,461.40

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Solution

The fourth proportional to 363,353,819.40, 544,381,190.10 and 221,124,461.40 is: 331,291,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,353,819.40 : 544,381,190.10 = 221,124,461.40 : x
  2. Step 2: Convert to fraction form
    363,353,819.40/544,381,190.10 = 221,124,461.40/x
  3. Step 3: Cross multiply
    363,353,819.40x = 544,381,190.10 × 221,124,461.40
  4. Step 4: Simplify right side
    363,353,819.40x = 120,375,997,457,153,520
  5. Step 5: Solve for x
    x = 120,375,997,457,153,520/363,353,819.40
  6. Step 6: Final answer
    x = 331,291,405.32

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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.