Home / 532,397,999.80-798,596,999.70-187,348,886.20

Finding the Fourth Proportional to 532,397,999.80, 798,596,999.70 and 187,348,886.20

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Solution

The fourth proportional to 532,397,999.80, 798,596,999.70 and 187,348,886.20 is: 281,023,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,397,999.80 : 798,596,999.70 = 187,348,886.20 : x
  2. Step 2: Convert to fraction form
    532,397,999.80/798,596,999.70 = 187,348,886.20/x
  3. Step 3: Cross multiply
    532,397,999.80x = 798,596,999.70 × 187,348,886.20
  4. Step 4: Simplify right side
    532,397,999.80x = 149,616,258,416,456,736
  5. Step 5: Solve for x
    x = 149,616,258,416,456,736/532,397,999.80
  6. Step 6: Final answer
    x = 281,023,329.30

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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.