Home / 19,211,860,638.87-26,510,920,130.84-11,692,650,733.35

Finding the Fourth Proportional to 19,211,860,638.87, 26,510,920,130.84 and 11,692,650,733.35

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Solution

The fourth proportional to 19,211,860,638.87, 26,510,920,130.84 and 11,692,650,733.35 is: 16,134,977,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,860,638.87 : 26,510,920,130.84 = 11,692,650,733.35 : x
  2. Step 2: Convert to fraction form
    19,211,860,638.87/26,510,920,130.84 = 11,692,650,733.35/x
  3. Step 3: Cross multiply
    19,211,860,638.87x = 26,510,920,130.84 × 11,692,650,733.35
  4. Step 4: Simplify right side
    19,211,860,638.87x = 309,982,929,709,591,166,976
  5. Step 5: Solve for x
    x = 309,982,929,709,591,166,976/19,211,860,638.87
  6. Step 6: Final answer
    x = 16,134,977,009.07

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Double scale
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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.