Home / 352,273,240.40-528,409,860.60-261,573,976.40

Finding the Fourth Proportional to 352,273,240.40, 528,409,860.60 and 261,573,976.40

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Solution

The fourth proportional to 352,273,240.40, 528,409,860.60 and 261,573,976.40 is: 392,360,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,273,240.40 : 528,409,860.60 = 261,573,976.40 : x
  2. Step 2: Convert to fraction form
    352,273,240.40/528,409,860.60 = 261,573,976.40/x
  3. Step 3: Cross multiply
    352,273,240.40x = 528,409,860.60 × 261,573,976.40
  4. Step 4: Simplify right side
    352,273,240.40x = 138,218,268,406,111,696
  5. Step 5: Solve for x
    x = 138,218,268,406,111,696/352,273,240.40
  6. Step 6: Final answer
    x = 392,360,964.60

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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.