Home / 264,774,974.60-397,162,461.90-128,726,078.60

Finding the Fourth Proportional to 264,774,974.60, 397,162,461.90 and 128,726,078.60

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Solution

The fourth proportional to 264,774,974.60, 397,162,461.90 and 128,726,078.60 is: 193,089,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,774,974.60 : 397,162,461.90 = 128,726,078.60 : x
  2. Step 2: Convert to fraction form
    264,774,974.60/397,162,461.90 = 128,726,078.60/x
  3. Step 3: Cross multiply
    264,774,974.60x = 397,162,461.90 × 128,726,078.60
  4. Step 4: Simplify right side
    264,774,974.60x = 51,125,166,287,508,896
  5. Step 5: Solve for x
    x = 51,125,166,287,508,896/264,774,974.60
  6. Step 6: Final answer
    x = 193,089,117.90

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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.