Home / 646,682,572.64-970,009,931.64-180,331,571.36

Finding the Fourth Proportional to 646,682,572.64, 970,009,931.64 and 180,331,571.36

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Solution

The fourth proportional to 646,682,572.64, 970,009,931.64 and 180,331,571.36 is: 270,493,473.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,682,572.64 : 970,009,931.64 = 180,331,571.36 : x
  2. Step 2: Convert to fraction form
    646,682,572.64/970,009,931.64 = 180,331,571.36/x
  3. Step 3: Cross multiply
    646,682,572.64x = 970,009,931.64 × 180,331,571.36
  4. Step 4: Simplify right side
    646,682,572.64x = 174,923,415,207,447,392
  5. Step 5: Solve for x
    x = 174,923,415,207,447,392/646,682,572.64
  6. Step 6: Final answer
    x = 270,493,473.32

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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.