Home / 350,208,980.80-525,313,471.20-331,397,281.60

Finding the Fourth Proportional to 350,208,980.80, 525,313,471.20 and 331,397,281.60

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Solution

The fourth proportional to 350,208,980.80, 525,313,471.20 and 331,397,281.60 is: 497,095,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,208,980.80 : 525,313,471.20 = 331,397,281.60 : x
  2. Step 2: Convert to fraction form
    350,208,980.80/525,313,471.20 = 331,397,281.60/x
  3. Step 3: Cross multiply
    350,208,980.80x = 525,313,471.20 × 331,397,281.60
  4. Step 4: Simplify right side
    350,208,980.80x = 174,087,456,343,539,904
  5. Step 5: Solve for x
    x = 174,087,456,343,539,904/350,208,980.80
  6. Step 6: Final answer
    x = 497,095,922.40

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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.