Home / 448,535,505.60-672,929,229.60-218,512,094.40

Finding the Fourth Proportional to 448,535,505.60, 672,929,229.60 and 218,512,094.40

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Solution

The fourth proportional to 448,535,505.60, 672,929,229.60 and 218,512,094.40 is: 327,829,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,535,505.60 : 672,929,229.60 = 218,512,094.40 : x
  2. Step 2: Convert to fraction form
    448,535,505.60/672,929,229.60 = 218,512,094.40/x
  3. Step 3: Cross multiply
    448,535,505.60x = 672,929,229.60 × 218,512,094.40
  4. Step 4: Simplify right side
    448,535,505.60x = 147,043,175,342,874,496
  5. Step 5: Solve for x
    x = 147,043,175,342,874,496/448,535,505.60
  6. Step 6: Final answer
    x = 327,829,510.72

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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.