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Finding the Fourth Proportional to 803,571,311.06, 1,205,361,029.63 and 250,827,404.72

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Solution

The fourth proportional to 803,571,311.06, 1,205,361,029.63 and 250,827,404.72 is: 376,242,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,571,311.06 : 1,205,361,029.63 = 250,827,404.72 : x
  2. Step 2: Convert to fraction form
    803,571,311.06/1,205,361,029.63 = 250,827,404.72/x
  3. Step 3: Cross multiply
    803,571,311.06x = 1,205,361,029.63 × 250,827,404.72
  4. Step 4: Simplify right side
    803,571,311.06x = 302,337,578,805,438,976
  5. Step 5: Solve for x
    x = 302,337,578,805,438,976/803,571,311.06
  6. Step 6: Final answer
    x = 376,242,375.31

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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.