Home / 11,687,684,919.76-16,128,573,077.91-6,335,130,354.67

Finding the Fourth Proportional to 11,687,684,919.76, 16,128,573,077.91 and 6,335,130,354.67

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Solution

The fourth proportional to 11,687,684,919.76, 16,128,573,077.91 and 6,335,130,354.67 is: 8,742,245,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,684,919.76 : 16,128,573,077.91 = 6,335,130,354.67 : x
  2. Step 2: Convert to fraction form
    11,687,684,919.76/16,128,573,077.91 = 6,335,130,354.67/x
  3. Step 3: Cross multiply
    11,687,684,919.76x = 16,128,573,077.91 × 6,335,130,354.67
  4. Step 4: Simplify right side
    11,687,684,919.76x = 102,176,612,883,380,994,048
  5. Step 5: Solve for x
    x = 102,176,612,883,380,994,048/11,687,684,919.76
  6. Step 6: Final answer
    x = 8,742,245,670.11

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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.