Home / 809,501,996.64-1,117,113,116.04-438,224,016

Finding the Fourth Proportional to 809,501,996.64, 1,117,113,116.04 and 438,224,016

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Solution

The fourth proportional to 809,501,996.64, 1,117,113,116.04 and 438,224,016 is: 604,749,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,501,996.64 : 1,117,113,116.04 = 438,224,016 : x
  2. Step 2: Convert to fraction form
    809,501,996.64/1,117,113,116.04 = 438,224,016/x
  3. Step 3: Cross multiply
    809,501,996.64x = 1,117,113,116.04 × 438,224,016
  4. Step 4: Simplify right side
    809,501,996.64x = 489,545,796,037,322,816
  5. Step 5: Solve for x
    x = 489,545,796,037,322,816/809,501,996.64
  6. Step 6: Final answer
    x = 604,749,337.33

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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.