Home / 828,900,486.60-1,243,134,000.30-246,477,856.20

Finding the Fourth Proportional to 828,900,486.60, 1,243,134,000.30 and 246,477,856.20

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Solution

The fourth proportional to 828,900,486.60, 1,243,134,000.30 and 246,477,856.20 is: 369,652,338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,900,486.60 : 1,243,134,000.30 = 246,477,856.20 : x
  2. Step 2: Convert to fraction form
    828,900,486.60/1,243,134,000.30 = 246,477,856.20/x
  3. Step 3: Cross multiply
    828,900,486.60x = 1,243,134,000.30 × 246,477,856.20
  4. Step 4: Simplify right side
    828,900,486.60x = 306,405,003,363,274,112
  5. Step 5: Solve for x
    x = 306,405,003,363,274,112/828,900,486.60
  6. Step 6: Final answer
    x = 369,652,338.63

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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.