Home / 307,189,956,800.80-423,919,017,823.84-170,013,049,377.64

Finding the Fourth Proportional to 307,189,956,800.80, 423,919,017,823.84 and 170,013,049,377.64

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Solution

The fourth proportional to 307,189,956,800.80, 423,919,017,823.84 and 170,013,049,377.64 is: 234,616,279,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,189,956,800.80 : 423,919,017,823.84 = 170,013,049,377.64 : x
  2. Step 2: Convert to fraction form
    307,189,956,800.80/423,919,017,823.84 = 170,013,049,377.64/x
  3. Step 3: Cross multiply
    307,189,956,800.80x = 423,919,017,823.84 × 170,013,049,377.64
  4. Step 4: Simplify right side
    307,189,956,800.80x = 72,071,764,909,405,174,235,136
  5. Step 5: Solve for x
    x = 72,071,764,909,405,174,235,136/307,189,956,800.80
  6. Step 6: Final answer
    x = 234,616,279,972.14

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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.