Home / 824,404,400.10-1,236,606,600.15-436,983,911.10

Finding the Fourth Proportional to 824,404,400.10, 1,236,606,600.15 and 436,983,911.10

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Solution

The fourth proportional to 824,404,400.10, 1,236,606,600.15 and 436,983,911.10 is: 655,475,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,404,400.10 : 1,236,606,600.15 = 436,983,911.10 : x
  2. Step 2: Convert to fraction form
    824,404,400.10/1,236,606,600.15 = 436,983,911.10/x
  3. Step 3: Cross multiply
    824,404,400.10x = 1,236,606,600.15 × 436,983,911.10
  4. Step 4: Simplify right side
    824,404,400.10x = 540,377,188,625,620,928
  5. Step 5: Solve for x
    x = 540,377,188,625,620,928/824,404,400.10
  6. Step 6: Final answer
    x = 655,475,866.65

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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.