Home / 549,505,321.20-824,257,981.80-515,493,097.20

Finding the Fourth Proportional to 549,505,321.20, 824,257,981.80 and 515,493,097.20

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Solution

The fourth proportional to 549,505,321.20, 824,257,981.80 and 515,493,097.20 is: 773,239,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,505,321.20 : 824,257,981.80 = 515,493,097.20 : x
  2. Step 2: Convert to fraction form
    549,505,321.20/824,257,981.80 = 515,493,097.20/x
  3. Step 3: Cross multiply
    549,505,321.20x = 824,257,981.80 × 515,493,097.20
  4. Step 4: Simplify right side
    549,505,321.20x = 424,899,299,929,903,168
  5. Step 5: Solve for x
    x = 424,899,299,929,903,168/549,505,321.20
  6. Step 6: Final answer
    x = 773,239,645.80

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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.