Home / 519,324,587.80-778,986,881.70-325,832,824.60

Finding the Fourth Proportional to 519,324,587.80, 778,986,881.70 and 325,832,824.60

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Solution

The fourth proportional to 519,324,587.80, 778,986,881.70 and 325,832,824.60 is: 488,749,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,324,587.80 : 778,986,881.70 = 325,832,824.60 : x
  2. Step 2: Convert to fraction form
    519,324,587.80/778,986,881.70 = 325,832,824.60/x
  3. Step 3: Cross multiply
    519,324,587.80x = 778,986,881.70 × 325,832,824.60
  4. Step 4: Simplify right side
    519,324,587.80x = 253,819,495,990,657,088
  5. Step 5: Solve for x
    x = 253,819,495,990,657,088/519,324,587.80
  6. Step 6: Final answer
    x = 488,749,236.90

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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.