Home / 828,900,487.10-1,243,134,001.05-246,477,856.70

Finding the Fourth Proportional to 828,900,487.10, 1,243,134,001.05 and 246,477,856.70

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Solution

The fourth proportional to 828,900,487.10, 1,243,134,001.05 and 246,477,856.70 is: 369,652,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,900,487.10 : 1,243,134,001.05 = 246,477,856.70 : x
  2. Step 2: Convert to fraction form
    828,900,487.10/1,243,134,001.05 = 246,477,856.70/x
  3. Step 3: Cross multiply
    828,900,487.10x = 1,243,134,001.05 × 246,477,856.70
  4. Step 4: Simplify right side
    828,900,487.10x = 306,405,004,169,699,520
  5. Step 5: Solve for x
    x = 306,405,004,169,699,520/828,900,487.10
  6. Step 6: Final answer
    x = 369,652,339.38

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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.