Home / 668,740,010.40-1,003,110,015.60-231,895,508.40

Finding the Fourth Proportional to 668,740,010.40, 1,003,110,015.60 and 231,895,508.40

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Solution

The fourth proportional to 668,740,010.40, 1,003,110,015.60 and 231,895,508.40 is: 347,843,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,740,010.40 : 1,003,110,015.60 = 231,895,508.40 : x
  2. Step 2: Convert to fraction form
    668,740,010.40/1,003,110,015.60 = 231,895,508.40/x
  3. Step 3: Cross multiply
    668,740,010.40x = 1,003,110,015.60 × 231,895,508.40
  4. Step 4: Simplify right side
    668,740,010.40x = 232,616,707,048,693,952
  5. Step 5: Solve for x
    x = 232,616,707,048,693,952/668,740,010.40
  6. Step 6: Final answer
    x = 347,843,262.60

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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.