Home / 579,823,186.65-800,149,271.50-315,500,625.60

Finding the Fourth Proportional to 579,823,186.65, 800,149,271.50 and 315,500,625.60

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Solution

The fourth proportional to 579,823,186.65, 800,149,271.50 and 315,500,625.60 is: 435,387,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,823,186.65 : 800,149,271.50 = 315,500,625.60 : x
  2. Step 2: Convert to fraction form
    579,823,186.65/800,149,271.50 = 315,500,625.60/x
  3. Step 3: Cross multiply
    579,823,186.65x = 800,149,271.50 × 315,500,625.60
  4. Step 4: Simplify right side
    579,823,186.65x = 252,447,595,731,634,272
  5. Step 5: Solve for x
    x = 252,447,595,731,634,272/579,823,186.65
  6. Step 6: Final answer
    x = 435,387,203.45

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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.