Home / 525,453,622.80-788,180,434.20-331,961,859.60

Finding the Fourth Proportional to 525,453,622.80, 788,180,434.20 and 331,961,859.60

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Solution

The fourth proportional to 525,453,622.80, 788,180,434.20 and 331,961,859.60 is: 497,942,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,453,622.80 : 788,180,434.20 = 331,961,859.60 : x
  2. Step 2: Convert to fraction form
    525,453,622.80/788,180,434.20 = 331,961,859.60/x
  3. Step 3: Cross multiply
    525,453,622.80x = 788,180,434.20 × 331,961,859.60
  4. Step 4: Simplify right side
    525,453,622.80x = 261,645,842,637,367,488
  5. Step 5: Solve for x
    x = 261,645,842,637,367,488/525,453,622.80
  6. Step 6: Final answer
    x = 497,942,789.40

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1.5x scale

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.