Home / 696,860,343.42-1,045,290,514.77-260,195,128.86

Finding the Fourth Proportional to 696,860,343.42, 1,045,290,514.77 and 260,195,128.86

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Solution

The fourth proportional to 696,860,343.42, 1,045,290,514.77 and 260,195,128.86 is: 390,292,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,860,343.42 : 1,045,290,514.77 = 260,195,128.86 : x
  2. Step 2: Convert to fraction form
    696,860,343.42/1,045,290,514.77 = 260,195,128.86/x
  3. Step 3: Cross multiply
    696,860,343.42x = 1,045,290,514.77 × 260,195,128.86
  4. Step 4: Simplify right side
    696,860,343.42x = 271,979,500,186,715,904
  5. Step 5: Solve for x
    x = 271,979,500,186,715,904/696,860,343.42
  6. Step 6: Final answer
    x = 390,292,693.16

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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.