Home / 202,680,697,940.20-279,680,875,997.53-120,267,254,352.76

Finding the Fourth Proportional to 202,680,697,940.20, 279,680,875,997.53 and 120,267,254,352.76

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Solution

The fourth proportional to 202,680,697,940.20, 279,680,875,997.53 and 120,267,254,352.76 is: 165,957,841,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,680,697,940.20 : 279,680,875,997.53 = 120,267,254,352.76 : x
  2. Step 2: Convert to fraction form
    202,680,697,940.20/279,680,875,997.53 = 120,267,254,352.76/x
  3. Step 3: Cross multiply
    202,680,697,940.20x = 279,680,875,997.53 × 120,267,254,352.76
  4. Step 4: Simplify right side
    202,680,697,940.20x = 33,636,451,051,197,670,883,328
  5. Step 5: Solve for x
    x = 33,636,451,051,197,670,883,328/202,680,697,940.20
  6. Step 6: Final answer
    x = 165,957,841,042.77

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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.