Home / 527,706,153.92-727,931,933.44-329,122,883.72

Finding the Fourth Proportional to 527,706,153.92, 727,931,933.44 and 329,122,883.72

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Solution

The fourth proportional to 527,706,153.92, 727,931,933.44 and 329,122,883.72 is: 454,000,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,706,153.92 : 727,931,933.44 = 329,122,883.72 : x
  2. Step 2: Convert to fraction form
    527,706,153.92/727,931,933.44 = 329,122,883.72/x
  3. Step 3: Cross multiply
    527,706,153.92x = 727,931,933.44 × 329,122,883.72
  4. Step 4: Simplify right side
    527,706,153.92x = 239,579,057,085,647,936
  5. Step 5: Solve for x
    x = 239,579,057,085,647,936/527,706,153.92
  6. Step 6: Final answer
    x = 454,000,877.77

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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.