Home / 653,183,999.60-979,775,999.40-638,067,455.60

Finding the Fourth Proportional to 653,183,999.60, 979,775,999.40 and 638,067,455.60

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Solution

The fourth proportional to 653,183,999.60, 979,775,999.40 and 638,067,455.60 is: 957,101,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,183,999.60 : 979,775,999.40 = 638,067,455.60 : x
  2. Step 2: Convert to fraction form
    653,183,999.60/979,775,999.40 = 638,067,455.60/x
  3. Step 3: Cross multiply
    653,183,999.60x = 979,775,999.40 × 638,067,455.60
  4. Step 4: Simplify right side
    653,183,999.60x = 625,163,178,995,105,152
  5. Step 5: Solve for x
    x = 625,163,178,995,105,152/653,183,999.60
  6. Step 6: Final answer
    x = 957,101,183.40

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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.