Home / 644,682,652.50-966,911,785.22-207,983,337.32

Finding the Fourth Proportional to 644,682,652.50, 966,911,785.22 and 207,983,337.32

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Solution

The fourth proportional to 644,682,652.50, 966,911,785.22 and 207,983,337.32 is: 311,938,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,682,652.50 : 966,911,785.22 = 207,983,337.32 : x
  2. Step 2: Convert to fraction form
    644,682,652.50/966,911,785.22 = 207,983,337.32/x
  3. Step 3: Cross multiply
    644,682,652.50x = 966,911,785.22 × 207,983,337.32
  4. Step 4: Simplify right side
    644,682,652.50x = 201,101,539,984,094,656
  5. Step 5: Solve for x
    x = 201,101,539,984,094,656/644,682,652.50
  6. Step 6: Final answer
    x = 311,938,810.83

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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.