Home / 1,323,501,009.90-1,981,425,139.65-1,285,237,257.90

Finding the Fourth Proportional to 1,323,501,009.90, 1,981,425,139.65 and 1,285,237,257.90

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Solution

The fourth proportional to 1,323,501,009.90, 1,981,425,139.65 and 1,285,237,257.90 is: 1,924,140,136.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,501,009.90 : 1,981,425,139.65 = 1,285,237,257.90 : x
  2. Step 2: Convert to fraction form
    1,323,501,009.90/1,981,425,139.65 = 1,285,237,257.90/x
  3. Step 3: Cross multiply
    1,323,501,009.90x = 1,981,425,139.65 × 1,285,237,257.90
  4. Step 4: Simplify right side
    1,323,501,009.90x = 2,546,601,413,217,890,816
  5. Step 5: Solve for x
    x = 2,546,601,413,217,890,816/1,323,501,009.90
  6. Step 6: Final answer
    x = 1,924,140,136.02

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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.