Home / 828,933,614.39-1,143,912,750.91-507,037,897.72

Finding the Fourth Proportional to 828,933,614.39, 1,143,912,750.91 and 507,037,897.72

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Solution

The fourth proportional to 828,933,614.39, 1,143,912,750.91 and 507,037,897.72 is: 699,702,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,933,614.39 : 1,143,912,750.91 = 507,037,897.72 : x
  2. Step 2: Convert to fraction form
    828,933,614.39/1,143,912,750.91 = 507,037,897.72/x
  3. Step 3: Cross multiply
    828,933,614.39x = 1,143,912,750.91 × 507,037,897.72
  4. Step 4: Simplify right side
    828,933,614.39x = 580,007,116,390,241,920
  5. Step 5: Solve for x
    x = 580,007,116,390,241,920/828,933,614.39
  6. Step 6: Final answer
    x = 699,702,734.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.