Home / 14,603,003,348.36-20,145,744,109.86-8,578,790,153.96

Finding the Fourth Proportional to 14,603,003,348.36, 20,145,744,109.86 and 8,578,790,153.96

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Solution

The fourth proportional to 14,603,003,348.36, 20,145,744,109.86 and 8,578,790,153.96 is: 11,834,970,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603,003,348.36 : 20,145,744,109.86 = 8,578,790,153.96 : x
  2. Step 2: Convert to fraction form
    14,603,003,348.36/20,145,744,109.86 = 8,578,790,153.96/x
  3. Step 3: Cross multiply
    14,603,003,348.36x = 20,145,744,109.86 × 8,578,790,153.96
  4. Step 4: Simplify right side
    14,603,003,348.36x = 172,826,111,213,864,648,704
  5. Step 5: Solve for x
    x = 172,826,111,213,864,648,704/14,603,003,348.36
  6. Step 6: Final answer
    x = 11,834,970,320.22

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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.