Home / 619,421,231.20-929,131,846.80-357,553,678.45

Finding the Fourth Proportional to 619,421,231.20, 929,131,846.80 and 357,553,678.45

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Solution

The fourth proportional to 619,421,231.20, 929,131,846.80 and 357,553,678.45 is: 536,330,517.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,421,231.20 : 929,131,846.80 = 357,553,678.45 : x
  2. Step 2: Convert to fraction form
    619,421,231.20/929,131,846.80 = 357,553,678.45/x
  3. Step 3: Cross multiply
    619,421,231.20x = 929,131,846.80 × 357,553,678.45
  4. Step 4: Simplify right side
    619,421,231.20x = 332,214,509,588,381,824
  5. Step 5: Solve for x
    x = 332,214,509,588,381,824/619,421,231.20
  6. Step 6: Final answer
    x = 536,330,517.68

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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.