Home / 20,835,442,292.15-28,752,910,321.33-11,803,200,386.27

Finding the Fourth Proportional to 20,835,442,292.15, 28,752,910,321.33 and 11,803,200,386.27

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Solution

The fourth proportional to 20,835,442,292.15, 28,752,910,321.33 and 11,803,200,386.27 is: 16,288,416,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,835,442,292.15 : 28,752,910,321.33 = 11,803,200,386.27 : x
  2. Step 2: Convert to fraction form
    20,835,442,292.15/28,752,910,321.33 = 11,803,200,386.27/x
  3. Step 3: Cross multiply
    20,835,442,292.15x = 28,752,910,321.33 × 11,803,200,386.27
  4. Step 4: Simplify right side
    20,835,442,292.15x = 339,376,362,211,078,701,056
  5. Step 5: Solve for x
    x = 339,376,362,211,078,701,056/20,835,442,292.15
  6. Step 6: Final answer
    x = 16,288,416,509.35

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1.5x scale

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.