Home / 468,681,934.72-703,139,799.40-330,776,919.76

Finding the Fourth Proportional to 468,681,934.72, 703,139,799.40 and 330,776,919.76

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Solution

The fourth proportional to 468,681,934.72, 703,139,799.40 and 330,776,919.76 is: 496,247,881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,681,934.72 : 703,139,799.40 = 330,776,919.76 : x
  2. Step 2: Convert to fraction form
    468,681,934.72/703,139,799.40 = 330,776,919.76/x
  3. Step 3: Cross multiply
    468,681,934.72x = 703,139,799.40 × 330,776,919.76
  4. Step 4: Simplify right side
    468,681,934.72x = 232,582,417,006,196,288
  5. Step 5: Solve for x
    x = 232,582,417,006,196,288/468,681,934.72
  6. Step 6: Final answer
    x = 496,247,881.08

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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.