Home / 828,689,318.90-1,243,183,277.55-344,064,115.70

Finding the Fourth Proportional to 828,689,318.90, 1,243,183,277.55 and 344,064,115.70

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Solution

The fourth proportional to 828,689,318.90, 1,243,183,277.55 and 344,064,115.70 is: 516,158,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,689,318.90 : 1,243,183,277.55 = 344,064,115.70 : x
  2. Step 2: Convert to fraction form
    828,689,318.90/1,243,183,277.55 = 344,064,115.70/x
  3. Step 3: Cross multiply
    828,689,318.90x = 1,243,183,277.55 × 344,064,115.70
  4. Step 4: Simplify right side
    828,689,318.90x = 427,734,755,043,268,352
  5. Step 5: Solve for x
    x = 427,734,755,043,268,352/828,689,318.90
  6. Step 6: Final answer
    x = 516,158,161.19

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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.