Home / 895,725,799.20-1,343,493,183.60-313,471,166.40

Finding the Fourth Proportional to 895,725,799.20, 1,343,493,183.60 and 313,471,166.40

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Solution

The fourth proportional to 895,725,799.20, 1,343,493,183.60 and 313,471,166.40 is: 470,173,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,725,799.20 : 1,343,493,183.60 = 313,471,166.40 : x
  2. Step 2: Convert to fraction form
    895,725,799.20/1,343,493,183.60 = 313,471,166.40/x
  3. Step 3: Cross multiply
    895,725,799.20x = 1,343,493,183.60 × 313,471,166.40
  4. Step 4: Simplify right side
    895,725,799.20x = 421,146,375,313,541,312
  5. Step 5: Solve for x
    x = 421,146,375,313,541,312/895,725,799.20
  6. Step 6: Final answer
    x = 470,173,322.78

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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.