Home / 804,008,944.59-1,205,497,254.71-312,198,164.16

Finding the Fourth Proportional to 804,008,944.59, 1,205,497,254.71 and 312,198,164.16

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Solution

The fourth proportional to 804,008,944.59, 1,205,497,254.71 and 312,198,164.16 is: 468,096,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,008,944.59 : 1,205,497,254.71 = 312,198,164.16 : x
  2. Step 2: Convert to fraction form
    804,008,944.59/1,205,497,254.71 = 312,198,164.16/x
  3. Step 3: Cross multiply
    804,008,944.59x = 1,205,497,254.71 × 312,198,164.16
  4. Step 4: Simplify right side
    804,008,944.59x = 376,354,029,821,162,496
  5. Step 5: Solve for x
    x = 376,354,029,821,162,496/804,008,944.59
  6. Step 6: Final answer
    x = 468,096,819.51

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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.