Home / 384,238,836.45-576,358,337.83-138,595,450.94

Finding the Fourth Proportional to 384,238,836.45, 576,358,337.83 and 138,595,450.94

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Solution

The fourth proportional to 384,238,836.45, 576,358,337.83 and 138,595,450.94 is: 207,893,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,238,836.45 : 576,358,337.83 = 138,595,450.94 : x
  2. Step 2: Convert to fraction form
    384,238,836.45/576,358,337.83 = 138,595,450.94/x
  3. Step 3: Cross multiply
    384,238,836.45x = 576,358,337.83 × 138,595,450.94
  4. Step 4: Simplify right side
    384,238,836.45x = 79,880,643,734,577,712
  5. Step 5: Solve for x
    x = 79,880,643,734,577,712/384,238,836.45
  6. Step 6: Final answer
    x = 207,893,206.40

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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.