Home / 1,478,691,580.64-2,040,594,876.41-809,678,940.32

Finding the Fourth Proportional to 1,478,691,580.64, 2,040,594,876.41 and 809,678,940.32

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Solution

The fourth proportional to 1,478,691,580.64, 2,040,594,876.41 and 809,678,940.32 is: 1,117,357,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,691,580.64 : 2,040,594,876.41 = 809,678,940.32 : x
  2. Step 2: Convert to fraction form
    1,478,691,580.64/2,040,594,876.41 = 809,678,940.32/x
  3. Step 3: Cross multiply
    1,478,691,580.64x = 2,040,594,876.41 × 809,678,940.32
  4. Step 4: Simplify right side
    1,478,691,580.64x = 1,652,226,697,155,123,200
  5. Step 5: Solve for x
    x = 1,652,226,697,155,123,200/1,478,691,580.64
  6. Step 6: Final answer
    x = 1,117,357,208.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.