Home / 969,311,646.64-1,453,457,286.60-662,691,447.28

Finding the Fourth Proportional to 969,311,646.64, 1,453,457,286.60 and 662,691,447.28

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Solution

The fourth proportional to 969,311,646.64, 1,453,457,286.60 and 662,691,447.28 is: 993,688,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,311,646.64 : 1,453,457,286.60 = 662,691,447.28 : x
  2. Step 2: Convert to fraction form
    969,311,646.64/1,453,457,286.60 = 662,691,447.28/x
  3. Step 3: Cross multiply
    969,311,646.64x = 1,453,457,286.60 × 662,691,447.28
  4. Step 4: Simplify right side
    969,311,646.64x = 963,193,712,816,615,680
  5. Step 5: Solve for x
    x = 963,193,712,816,615,680/969,311,646.64
  6. Step 6: Final answer
    x = 993,688,372.73

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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.