Home / 638,182,309.60-957,273,464.40-332,072,293.60

Finding the Fourth Proportional to 638,182,309.60, 957,273,464.40 and 332,072,293.60

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Solution

The fourth proportional to 638,182,309.60, 957,273,464.40 and 332,072,293.60 is: 498,108,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,182,309.60 : 957,273,464.40 = 332,072,293.60 : x
  2. Step 2: Convert to fraction form
    638,182,309.60/957,273,464.40 = 332,072,293.60/x
  3. Step 3: Cross multiply
    638,182,309.60x = 957,273,464.40 × 332,072,293.60
  4. Step 4: Simplify right side
    638,182,309.60x = 317,883,994,925,725,952
  5. Step 5: Solve for x
    x = 317,883,994,925,725,952/638,182,309.60
  6. Step 6: Final answer
    x = 498,108,440.40

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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.