Home / 390,678,171,846.03-539,150,427,241.92-234,273,827,950.61

Finding the Fourth Proportional to 390,678,171,846.03, 539,150,427,241.92 and 234,273,827,950.61

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Solution

The fourth proportional to 390,678,171,846.03, 539,150,427,241.92 and 234,273,827,950.61 is: 323,306,607,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,678,171,846.03 : 539,150,427,241.92 = 234,273,827,950.61 : x
  2. Step 2: Convert to fraction form
    390,678,171,846.03/539,150,427,241.92 = 234,273,827,950.61/x
  3. Step 3: Cross multiply
    390,678,171,846.03x = 539,150,427,241.92 × 234,273,827,950.61
  4. Step 4: Simplify right side
    390,678,171,846.03x = 126,308,834,431,171,435,692,032
  5. Step 5: Solve for x
    x = 126,308,834,431,171,435,692,032/390,678,171,846.03
  6. Step 6: Final answer
    x = 323,306,607,672.34

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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.