Home / 352,752,811.20-528,877,274.40-158,505,220.80

Finding the Fourth Proportional to 352,752,811.20, 528,877,274.40 and 158,505,220.80

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Solution

The fourth proportional to 352,752,811.20, 528,877,274.40 and 158,505,220.80 is: 237,644,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,752,811.20 : 528,877,274.40 = 158,505,220.80 : x
  2. Step 2: Convert to fraction form
    352,752,811.20/528,877,274.40 = 158,505,220.80/x
  3. Step 3: Cross multiply
    352,752,811.20x = 528,877,274.40 × 158,505,220.80
  4. Step 4: Simplify right side
    352,752,811.20x = 83,829,809,154,874,192
  5. Step 5: Solve for x
    x = 83,829,809,154,874,192/352,752,811.20
  6. Step 6: Final answer
    x = 237,644,623.92

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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.