Home / 298,731,881,288.40-412,251,238,235.76-161,554,707,516

Finding the Fourth Proportional to 298,731,881,288.40, 412,251,238,235.76 and 161,554,707,516

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Solution

The fourth proportional to 298,731,881,288.40, 412,251,238,235.76 and 161,554,707,516 is: 222,946,168,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,731,881,288.40 : 412,251,238,235.76 = 161,554,707,516 : x
  2. Step 2: Convert to fraction form
    298,731,881,288.40/412,251,238,235.76 = 161,554,707,516/x
  3. Step 3: Cross multiply
    298,731,881,288.40x = 412,251,238,235.76 × 161,554,707,516
  4. Step 4: Simplify right side
    298,731,881,288.40x = 66,601,128,216,287,040,765,952
  5. Step 5: Solve for x
    x = 66,601,128,216,287,040,765,952/298,731,881,288.40
  6. Step 6: Final answer
    x = 222,946,168,079.03

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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.