Home / 827,848,789.60-1,142,500,006.08-475,492,777.76

Finding the Fourth Proportional to 827,848,789.60, 1,142,500,006.08 and 475,492,777.76

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Solution

The fourth proportional to 827,848,789.60, 1,142,500,006.08 and 475,492,777.76 is: 656,219,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,848,789.60 : 1,142,500,006.08 = 475,492,777.76 : x
  2. Step 2: Convert to fraction form
    827,848,789.60/1,142,500,006.08 = 475,492,777.76/x
  3. Step 3: Cross multiply
    827,848,789.60x = 1,142,500,006.08 × 475,492,777.76
  4. Step 4: Simplify right side
    827,848,789.60x = 543,250,501,481,796,032
  5. Step 5: Solve for x
    x = 543,250,501,481,796,032/827,848,789.60
  6. Step 6: Final answer
    x = 656,219,479.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.