Home / 549,505,237.20-824,257,855.80-515,493,013.20

Finding the Fourth Proportional to 549,505,237.20, 824,257,855.80 and 515,493,013.20

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Solution

The fourth proportional to 549,505,237.20, 824,257,855.80 and 515,493,013.20 is: 773,239,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,505,237.20 : 824,257,855.80 = 515,493,013.20 : x
  2. Step 2: Convert to fraction form
    549,505,237.20/824,257,855.80 = 515,493,013.20/x
  3. Step 3: Cross multiply
    549,505,237.20x = 824,257,855.80 × 515,493,013.20
  4. Step 4: Simplify right side
    549,505,237.20x = 424,899,165,740,113,088
  5. Step 5: Solve for x
    x = 424,899,165,740,113,088/549,505,237.20
  6. Step 6: Final answer
    x = 773,239,519.80

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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.