Home / 1,019,929,038.30-1,529,893,557.45-329,906,043.90

Finding the Fourth Proportional to 1,019,929,038.30, 1,529,893,557.45 and 329,906,043.90

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Solution

The fourth proportional to 1,019,929,038.30, 1,529,893,557.45 and 329,906,043.90 is: 494,859,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,929,038.30 : 1,529,893,557.45 = 329,906,043.90 : x
  2. Step 2: Convert to fraction form
    1,019,929,038.30/1,529,893,557.45 = 329,906,043.90/x
  3. Step 3: Cross multiply
    1,019,929,038.30x = 1,529,893,557.45 × 329,906,043.90
  4. Step 4: Simplify right side
    1,019,929,038.30x = 504,721,131,126,426,880
  5. Step 5: Solve for x
    x = 504,721,131,126,426,880/1,019,929,038.30
  6. Step 6: Final answer
    x = 494,859,065.85

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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.