Home / 559,552,231.20-839,391,332.40-171,371,978.40

Finding the Fourth Proportional to 559,552,231.20, 839,391,332.40 and 171,371,978.40

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Solution

The fourth proportional to 559,552,231.20, 839,391,332.40 and 171,371,978.40 is: 257,077,257.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,552,231.20 : 839,391,332.40 = 171,371,978.40 : x
  2. Step 2: Convert to fraction form
    559,552,231.20/839,391,332.40 = 171,371,978.40/x
  3. Step 3: Cross multiply
    559,552,231.20x = 839,391,332.40 × 171,371,978.40
  4. Step 4: Simplify right side
    559,552,231.20x = 143,848,153,285,200,016
  5. Step 5: Solve for x
    x = 143,848,153,285,200,016/559,552,231.20
  6. Step 6: Final answer
    x = 257,077,257.97

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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.