Home / 338,795,357.25-507,970,020.15-223,428,132.93

Finding the Fourth Proportional to 338,795,357.25, 507,970,020.15 and 223,428,132.93

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Solution

The fourth proportional to 338,795,357.25, 507,970,020.15 and 223,428,132.93 is: 334,995,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,795,357.25 : 507,970,020.15 = 223,428,132.93 : x
  2. Step 2: Convert to fraction form
    338,795,357.25/507,970,020.15 = 223,428,132.93/x
  3. Step 3: Cross multiply
    338,795,357.25x = 507,970,020.15 × 223,428,132.93
  4. Step 4: Simplify right side
    338,795,357.25x = 113,494,793,186,528,976
  5. Step 5: Solve for x
    x = 113,494,793,186,528,976/338,795,357.25
  6. Step 6: Final answer
    x = 334,995,125.40

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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.