Home / 886,346,855.19-1,223,310,546-515,284,120.17

Finding the Fourth Proportional to 886,346,855.19, 1,223,310,546 and 515,284,120.17

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Solution

The fourth proportional to 886,346,855.19, 1,223,310,546 and 515,284,120.17 is: 711,180,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,346,855.19 : 1,223,310,546 = 515,284,120.17 : x
  2. Step 2: Convert to fraction form
    886,346,855.19/1,223,310,546 = 515,284,120.17/x
  3. Step 3: Cross multiply
    886,346,855.19x = 1,223,310,546 × 515,284,120.17
  4. Step 4: Simplify right side
    886,346,855.19x = 630,352,498,390,292,352
  5. Step 5: Solve for x
    x = 630,352,498,390,292,352/886,346,855.19
  6. Step 6: Final answer
    x = 711,180,385.76

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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.