Home / 386,340,573.40-579,538,853.70-232,655,709.40

Finding the Fourth Proportional to 386,340,573.40, 579,538,853.70 and 232,655,709.40

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Solution

The fourth proportional to 386,340,573.40, 579,538,853.70 and 232,655,709.40 is: 349,000,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,340,573.40 : 579,538,853.70 = 232,655,709.40 : x
  2. Step 2: Convert to fraction form
    386,340,573.40/579,538,853.70 = 232,655,709.40/x
  3. Step 3: Cross multiply
    386,340,573.40x = 579,538,853.70 × 232,655,709.40
  4. Step 4: Simplify right side
    386,340,573.40x = 134,833,023,132,436,336
  5. Step 5: Solve for x
    x = 134,833,023,132,436,336/386,340,573.40
  6. Step 6: Final answer
    x = 349,000,421.95

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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.