Home / 1,164,920,910.50-1,747,387,898.04-388,564,439.94

Finding the Fourth Proportional to 1,164,920,910.50, 1,747,387,898.04 and 388,564,439.94

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Solution

The fourth proportional to 1,164,920,910.50, 1,747,387,898.04 and 388,564,439.94 is: 582,848,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,920,910.50 : 1,747,387,898.04 = 388,564,439.94 : x
  2. Step 2: Convert to fraction form
    1,164,920,910.50/1,747,387,898.04 = 388,564,439.94/x
  3. Step 3: Cross multiply
    1,164,920,910.50x = 1,747,387,898.04 × 388,564,439.94
  4. Step 4: Simplify right side
    1,164,920,910.50x = 678,972,799,959,846,400
  5. Step 5: Solve for x
    x = 678,972,799,959,846,400/1,164,920,910.50
  6. Step 6: Final answer
    x = 582,848,838.78

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1.5x scale

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.