Home / 672,586,804.60-1,009,171,465.92-361,331,258.80

Finding the Fourth Proportional to 672,586,804.60, 1,009,171,465.92 and 361,331,258.80

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Solution

The fourth proportional to 672,586,804.60, 1,009,171,465.92 and 361,331,258.80 is: 542,153,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,586,804.60 : 1,009,171,465.92 = 361,331,258.80 : x
  2. Step 2: Convert to fraction form
    672,586,804.60/1,009,171,465.92 = 361,331,258.80/x
  3. Step 3: Cross multiply
    672,586,804.60x = 1,009,171,465.92 × 361,331,258.80
  4. Step 4: Simplify right side
    672,586,804.60x = 364,645,196,125,914,880
  5. Step 5: Solve for x
    x = 364,645,196,125,914,880/672,586,804.60
  6. Step 6: Final answer
    x = 542,153,360.18

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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.