Home / 638,118,216.40-957,177,324.60-546,285,211.60

Finding the Fourth Proportional to 638,118,216.40, 957,177,324.60 and 546,285,211.60

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Solution

The fourth proportional to 638,118,216.40, 957,177,324.60 and 546,285,211.60 is: 819,427,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,118,216.40 : 957,177,324.60 = 546,285,211.60 : x
  2. Step 2: Convert to fraction form
    638,118,216.40/957,177,324.60 = 546,285,211.60/x
  3. Step 3: Cross multiply
    638,118,216.40x = 957,177,324.60 × 546,285,211.60
  4. Step 4: Simplify right side
    638,118,216.40x = 522,891,817,307,832,896
  5. Step 5: Solve for x
    x = 522,891,817,307,832,896/638,118,216.40
  6. Step 6: Final answer
    x = 819,427,817.40

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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.