Home / 350,977,583.23-484,853,572.26-280,320,426.32

Finding the Fourth Proportional to 350,977,583.23, 484,853,572.26 and 280,320,426.32

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Solution

The fourth proportional to 350,977,583.23, 484,853,572.26 and 280,320,426.32 is: 387,245,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,977,583.23 : 484,853,572.26 = 280,320,426.32 : x
  2. Step 2: Convert to fraction form
    350,977,583.23/484,853,572.26 = 280,320,426.32/x
  3. Step 3: Cross multiply
    350,977,583.23x = 484,853,572.26 × 280,320,426.32
  4. Step 4: Simplify right side
    350,977,583.23x = 135,914,360,076,273,856
  5. Step 5: Solve for x
    x = 135,914,360,076,273,856/350,977,583.23
  6. Step 6: Final answer
    x = 387,245,130.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.