Home / 393,395,240.80-590,092,861.20-202,292,264.80

Finding the Fourth Proportional to 393,395,240.80, 590,092,861.20 and 202,292,264.80

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Solution

The fourth proportional to 393,395,240.80, 590,092,861.20 and 202,292,264.80 is: 303,438,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,395,240.80 : 590,092,861.20 = 202,292,264.80 : x
  2. Step 2: Convert to fraction form
    393,395,240.80/590,092,861.20 = 202,292,264.80/x
  3. Step 3: Cross multiply
    393,395,240.80x = 590,092,861.20 × 202,292,264.80
  4. Step 4: Simplify right side
    393,395,240.80x = 119,371,221,334,460,064
  5. Step 5: Solve for x
    x = 119,371,221,334,460,064/393,395,240.80
  6. Step 6: Final answer
    x = 303,438,397.20

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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.