Home / 824,404,400.60-1,236,606,600.90-436,983,911.60

Finding the Fourth Proportional to 824,404,400.60, 1,236,606,600.90 and 436,983,911.60

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Solution

The fourth proportional to 824,404,400.60, 1,236,606,600.90 and 436,983,911.60 is: 655,475,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,404,400.60 : 1,236,606,600.90 = 436,983,911.60 : x
  2. Step 2: Convert to fraction form
    824,404,400.60/1,236,606,600.90 = 436,983,911.60/x
  3. Step 3: Cross multiply
    824,404,400.60x = 1,236,606,600.90 × 436,983,911.60
  4. Step 4: Simplify right side
    824,404,400.60x = 540,377,189,571,662,144
  5. Step 5: Solve for x
    x = 540,377,189,571,662,144/824,404,400.60
  6. Step 6: Final answer
    x = 655,475,867.40

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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.