Home / 352,273,190.40-528,220,828.80-147,569,990.40

Finding the Fourth Proportional to 352,273,190.40, 528,220,828.80 and 147,569,990.40

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Solution

The fourth proportional to 352,273,190.40, 528,220,828.80 and 147,569,990.40 is: 221,275,830.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,273,190.40 : 528,220,828.80 = 147,569,990.40 : x
  2. Step 2: Convert to fraction form
    352,273,190.40/528,220,828.80 = 147,569,990.40/x
  3. Step 3: Cross multiply
    352,273,190.40x = 528,220,828.80 × 147,569,990.40
  4. Step 4: Simplify right side
    352,273,190.40x = 77,949,542,635,096,048
  5. Step 5: Solve for x
    x = 77,949,542,635,096,048/352,273,190.40
  6. Step 6: Final answer
    x = 221,275,830.12

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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.