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Finding the Fourth Proportional to 443,798,227.80, 665,697,341.70 and 185,199,037.20

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Solution

The fourth proportional to 443,798,227.80, 665,697,341.70 and 185,199,037.20 is: 277,798,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,798,227.80 : 665,697,341.70 = 185,199,037.20 : x
  2. Step 2: Convert to fraction form
    443,798,227.80/665,697,341.70 = 185,199,037.20/x
  3. Step 3: Cross multiply
    443,798,227.80x = 665,697,341.70 × 185,199,037.20
  4. Step 4: Simplify right side
    443,798,227.80x = 123,286,506,749,439,408
  5. Step 5: Solve for x
    x = 123,286,506,749,439,408/443,798,227.80
  6. Step 6: Final answer
    x = 277,798,555.80

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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.