Home / 384,916,543.80-576,702,969.30-331,168,831.80

Finding the Fourth Proportional to 384,916,543.80, 576,702,969.30 and 331,168,831.80

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Solution

The fourth proportional to 384,916,543.80, 576,702,969.30 and 331,168,831.80 is: 496,175,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,916,543.80 : 576,702,969.30 = 331,168,831.80 : x
  2. Step 2: Convert to fraction form
    384,916,543.80/576,702,969.30 = 331,168,831.80/x
  3. Step 3: Cross multiply
    384,916,543.80x = 576,702,969.30 × 331,168,831.80
  4. Step 4: Simplify right side
    384,916,543.80x = 190,986,048,638,672,256
  5. Step 5: Solve for x
    x = 190,986,048,638,672,256/384,916,543.80
  6. Step 6: Final answer
    x = 496,175,214.38

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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.