Home / 307,189,956,801.30-423,919,017,824.52-170,013,049,378.14

Finding the Fourth Proportional to 307,189,956,801.30, 423,919,017,824.52 and 170,013,049,378.14

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Solution

The fourth proportional to 307,189,956,801.30, 423,919,017,824.52 and 170,013,049,378.14 is: 234,616,279,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,189,956,801.30 : 423,919,017,824.52 = 170,013,049,378.14 : x
  2. Step 2: Convert to fraction form
    307,189,956,801.30/423,919,017,824.52 = 170,013,049,378.14/x
  3. Step 3: Cross multiply
    307,189,956,801.30x = 423,919,017,824.52 × 170,013,049,378.14
  4. Step 4: Simplify right side
    307,189,956,801.30x = 72,071,764,909,732,740,988,928
  5. Step 5: Solve for x
    x = 72,071,764,909,732,740,988,928/307,189,956,801.30
  6. Step 6: Final answer
    x = 234,616,279,972.82

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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.