Home / 2,575,786,739.32-3,862,860,999.72-828,582,767.92

Finding the Fourth Proportional to 2,575,786,739.32, 3,862,860,999.72 and 828,582,767.92

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Solution

The fourth proportional to 2,575,786,739.32, 3,862,860,999.72 and 828,582,767.92 is: 1,242,610,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,786,739.32 : 3,862,860,999.72 = 828,582,767.92 : x
  2. Step 2: Convert to fraction form
    2,575,786,739.32/3,862,860,999.72 = 828,582,767.92/x
  3. Step 3: Cross multiply
    2,575,786,739.32x = 3,862,860,999.72 × 828,582,767.92
  4. Step 4: Simplify right side
    2,575,786,739.32x = 3,200,700,059,238,215,680
  5. Step 5: Solve for x
    x = 3,200,700,059,238,215,680/2,575,786,739.32
  6. Step 6: Final answer
    x = 1,242,610,659.64

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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.