Home / 1,008,078,321.60-1,512,117,482.40-804,004,977.60

Finding the Fourth Proportional to 1,008,078,321.60, 1,512,117,482.40 and 804,004,977.60

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Solution

The fourth proportional to 1,008,078,321.60, 1,512,117,482.40 and 804,004,977.60 is: 1,206,007,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,078,321.60 : 1,512,117,482.40 = 804,004,977.60 : x
  2. Step 2: Convert to fraction form
    1,008,078,321.60/1,512,117,482.40 = 804,004,977.60/x
  3. Step 3: Cross multiply
    1,008,078,321.60x = 1,512,117,482.40 × 804,004,977.60
  4. Step 4: Simplify right side
    1,008,078,321.60x = 1,215,749,982,565,580,544
  5. Step 5: Solve for x
    x = 1,215,749,982,565,580,544/1,008,078,321.60
  6. Step 6: Final answer
    x = 1,206,007,466.40

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1.5x scale

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.