Home / 929,233,999.80-1,393,850,999.70-651,089,590.20

Finding the Fourth Proportional to 929,233,999.80, 1,393,850,999.70 and 651,089,590.20

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Solution

The fourth proportional to 929,233,999.80, 1,393,850,999.70 and 651,089,590.20 is: 976,634,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,233,999.80 : 1,393,850,999.70 = 651,089,590.20 : x
  2. Step 2: Convert to fraction form
    929,233,999.80/1,393,850,999.70 = 651,089,590.20/x
  3. Step 3: Cross multiply
    929,233,999.80x = 1,393,850,999.70 × 651,089,590.20
  4. Step 4: Simplify right side
    929,233,999.80x = 907,521,876,194,533,376
  5. Step 5: Solve for x
    x = 907,521,876,194,533,376/929,233,999.80
  6. Step 6: Final answer
    x = 976,634,385.30

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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.