Home / 879,824,005.20-1,321,146,055.80-699,570,104.40

Finding the Fourth Proportional to 879,824,005.20, 1,321,146,055.80 and 699,570,104.40

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Solution

The fourth proportional to 879,824,005.20, 1,321,146,055.80 and 699,570,104.40 is: 1,050,476,321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,824,005.20 : 1,321,146,055.80 = 699,570,104.40 : x
  2. Step 2: Convert to fraction form
    879,824,005.20/1,321,146,055.80 = 699,570,104.40/x
  3. Step 3: Cross multiply
    879,824,005.20x = 1,321,146,055.80 × 699,570,104.40
  4. Step 4: Simplify right side
    879,824,005.20x = 924,234,284,183,654,144
  5. Step 5: Solve for x
    x = 924,234,284,183,654,144/879,824,005.20
  6. Step 6: Final answer
    x = 1,050,476,321.08

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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.