Home / 895,121,419.11-1,235,332,845.89-518,875,141.44

Finding the Fourth Proportional to 895,121,419.11, 1,235,332,845.89 and 518,875,141.44

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Solution

The fourth proportional to 895,121,419.11, 1,235,332,845.89 and 518,875,141.44 is: 716,085,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,121,419.11 : 1,235,332,845.89 = 518,875,141.44 : x
  2. Step 2: Convert to fraction form
    895,121,419.11/1,235,332,845.89 = 518,875,141.44/x
  3. Step 3: Cross multiply
    895,121,419.11x = 1,235,332,845.89 × 518,875,141.44
  4. Step 4: Simplify right side
    895,121,419.11x = 640,983,505,136,651,520
  5. Step 5: Solve for x
    x = 640,983,505,136,651,520/895,121,419.11
  6. Step 6: Final answer
    x = 716,085,540.41

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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.