Home / 305,531,494,823.38-421,614,465,140.70-168,346,644,052.61

Finding the Fourth Proportional to 305,531,494,823.38, 421,614,465,140.70 and 168,346,644,052.61

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Solution

The fourth proportional to 305,531,494,823.38, 421,614,465,140.70 and 168,346,644,052.61 is: 232,307,901,126.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,531,494,823.38 : 421,614,465,140.70 = 168,346,644,052.61 : x
  2. Step 2: Convert to fraction form
    305,531,494,823.38/421,614,465,140.70 = 168,346,644,052.61/x
  3. Step 3: Cross multiply
    305,531,494,823.38x = 421,614,465,140.70 × 168,346,644,052.61
  4. Step 4: Simplify right side
    305,531,494,823.38x = 70,977,380,290,472,966,094,848
  5. Step 5: Solve for x
    x = 70,977,380,290,472,966,094,848/305,531,494,823.38
  6. Step 6: Final answer
    x = 232,307,901,126.54

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1.5x scale

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.