Home / 388,966,035.78-583,450,037.82-158,935,120.47

Finding the Fourth Proportional to 388,966,035.78, 583,450,037.82 and 158,935,120.47

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Solution

The fourth proportional to 388,966,035.78, 583,450,037.82 and 158,935,120.47 is: 238,403,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,966,035.78 : 583,450,037.82 = 158,935,120.47 : x
  2. Step 2: Convert to fraction form
    388,966,035.78/583,450,037.82 = 158,935,120.47/x
  3. Step 3: Cross multiply
    388,966,035.78x = 583,450,037.82 × 158,935,120.47
  4. Step 4: Simplify right side
    388,966,035.78x = 92,730,702,049,147,760
  5. Step 5: Solve for x
    x = 92,730,702,049,147,760/388,966,035.78
  6. Step 6: Final answer
    x = 238,403,082.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.