Home / 324,830,487.40-487,245,731.10-161,004,941.80

Finding the Fourth Proportional to 324,830,487.40, 487,245,731.10 and 161,004,941.80

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Solution

The fourth proportional to 324,830,487.40, 487,245,731.10 and 161,004,941.80 is: 241,507,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,830,487.40 : 487,245,731.10 = 161,004,941.80 : x
  2. Step 2: Convert to fraction form
    324,830,487.40/487,245,731.10 = 161,004,941.80/x
  3. Step 3: Cross multiply
    324,830,487.40x = 487,245,731.10 × 161,004,941.80
  4. Step 4: Simplify right side
    324,830,487.40x = 78,448,970,578,053,952
  5. Step 5: Solve for x
    x = 78,448,970,578,053,952/324,830,487.40
  6. Step 6: Final answer
    x = 241,507,412.70

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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.