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Finding the Fourth Proportional to 880,644,866.60, 1,320,962,051.10 and 225,594,626.60

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Solution

The fourth proportional to 880,644,866.60, 1,320,962,051.10 and 225,594,626.60 is: 338,390,595.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,644,866.60 : 1,320,962,051.10 = 225,594,626.60 : x
  2. Step 2: Convert to fraction form
    880,644,866.60/1,320,962,051.10 = 225,594,626.60/x
  3. Step 3: Cross multiply
    880,644,866.60x = 1,320,962,051.10 × 225,594,626.60
  4. Step 4: Simplify right side
    880,644,866.60x = 298,001,940,670,674,560
  5. Step 5: Solve for x
    x = 298,001,940,670,674,560/880,644,866.60
  6. Step 6: Final answer
    x = 338,390,595.32

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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.