Home / 637,675,216.40-956,512,824.60-206,853,712.40

Finding the Fourth Proportional to 637,675,216.40, 956,512,824.60 and 206,853,712.40

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Solution

The fourth proportional to 637,675,216.40, 956,512,824.60 and 206,853,712.40 is: 310,280,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,675,216.40 : 956,512,824.60 = 206,853,712.40 : x
  2. Step 2: Convert to fraction form
    637,675,216.40/956,512,824.60 = 206,853,712.40/x
  3. Step 3: Cross multiply
    637,675,216.40x = 956,512,824.60 × 206,853,712.40
  4. Step 4: Simplify right side
    637,675,216.40x = 197,858,228,726,720,064
  5. Step 5: Solve for x
    x = 197,858,228,726,720,064/637,675,216.40
  6. Step 6: Final answer
    x = 310,280,568.60

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1.5x scale

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.