Home / 298,731,881,283.12-412,251,238,228.44-161,554,707,510.71

Finding the Fourth Proportional to 298,731,881,283.12, 412,251,238,228.44 and 161,554,707,510.71

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Solution

The fourth proportional to 298,731,881,283.12, 412,251,238,228.44 and 161,554,707,510.71 is: 222,946,168,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,731,881,283.12 : 412,251,238,228.44 = 161,554,707,510.71 : x
  2. Step 2: Convert to fraction form
    298,731,881,283.12/412,251,238,228.44 = 161,554,707,510.71/x
  3. Step 3: Cross multiply
    298,731,881,283.12x = 412,251,238,228.44 × 161,554,707,510.71
  4. Step 4: Simplify right side
    298,731,881,283.12x = 66,601,128,212,923,653,554,176
  5. Step 5: Solve for x
    x = 66,601,128,212,923,653,554,176/298,731,881,283.12
  6. Step 6: Final answer
    x = 222,946,168,071.71

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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.