Home / 310,591,544,595.88-428,612,140,811.30-173,416,483,782.60

Finding the Fourth Proportional to 310,591,544,595.88, 428,612,140,811.30 and 173,416,483,782.60

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Solution

The fourth proportional to 310,591,544,595.88, 428,612,140,811.30 and 173,416,483,782.60 is: 239,312,407,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,591,544,595.88 : 428,612,140,811.30 = 173,416,483,782.60 : x
  2. Step 2: Convert to fraction form
    310,591,544,595.88/428,612,140,811.30 = 173,416,483,782.60/x
  3. Step 3: Cross multiply
    310,591,544,595.88x = 428,612,140,811.30 × 173,416,483,782.60
  4. Step 4: Simplify right side
    310,591,544,595.88x = 74,328,410,366,028,273,418,240
  5. Step 5: Solve for x
    x = 74,328,410,366,028,273,418,240/310,591,544,595.88
  6. Step 6: Final answer
    x = 239,312,407,756.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.