Home / 439,704,002.70-659,556,004.05-402,080,604.30

Finding the Fourth Proportional to 439,704,002.70, 659,556,004.05 and 402,080,604.30

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Solution

The fourth proportional to 439,704,002.70, 659,556,004.05 and 402,080,604.30 is: 603,120,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,704,002.70 : 659,556,004.05 = 402,080,604.30 : x
  2. Step 2: Convert to fraction form
    439,704,002.70/659,556,004.05 = 402,080,604.30/x
  3. Step 3: Cross multiply
    439,704,002.70x = 659,556,004.05 × 402,080,604.30
  4. Step 4: Simplify right side
    439,704,002.70x = 265,194,676,678,117,248
  5. Step 5: Solve for x
    x = 265,194,676,678,117,248/439,704,002.70
  6. Step 6: Final answer
    x = 603,120,906.45

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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.