Home / 804,453,845.60-1,206,680,768.40-437,121,826.40

Finding the Fourth Proportional to 804,453,845.60, 1,206,680,768.40 and 437,121,826.40

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Solution

The fourth proportional to 804,453,845.60, 1,206,680,768.40 and 437,121,826.40 is: 655,682,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,453,845.60 : 1,206,680,768.40 = 437,121,826.40 : x
  2. Step 2: Convert to fraction form
    804,453,845.60/1,206,680,768.40 = 437,121,826.40/x
  3. Step 3: Cross multiply
    804,453,845.60x = 1,206,680,768.40 × 437,121,826.40
  4. Step 4: Simplify right side
    804,453,845.60x = 527,466,501,364,763,392
  5. Step 5: Solve for x
    x = 527,466,501,364,763,392/804,453,845.60
  6. Step 6: Final answer
    x = 655,682,739.60

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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.