Home / 938,952,015.40-1,408,428,023.10-325,332,303.40

Finding the Fourth Proportional to 938,952,015.40, 1,408,428,023.10 and 325,332,303.40

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Solution

The fourth proportional to 938,952,015.40, 1,408,428,023.10 and 325,332,303.40 is: 487,998,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,952,015.40 : 1,408,428,023.10 = 325,332,303.40 : x
  2. Step 2: Convert to fraction form
    938,952,015.40/1,408,428,023.10 = 325,332,303.40/x
  3. Step 3: Cross multiply
    938,952,015.40x = 1,408,428,023.10 × 325,332,303.40
  4. Step 4: Simplify right side
    938,952,015.40x = 458,207,132,928,231,360
  5. Step 5: Solve for x
    x = 458,207,132,928,231,360/938,952,015.40
  6. Step 6: Final answer
    x = 487,998,455.10

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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.