Home / 45,212,146,425.45-67,820,091,244.49-13,340,818,762.68

Finding the Fourth Proportional to 45,212,146,425.45, 67,820,091,244.49 and 13,340,818,762.68

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Solution

The fourth proportional to 45,212,146,425.45, 67,820,091,244.49 and 13,340,818,762.68 is: 20,011,780,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,212,146,425.45 : 67,820,091,244.49 = 13,340,818,762.68 : x
  2. Step 2: Convert to fraction form
    45,212,146,425.45/67,820,091,244.49 = 13,340,818,762.68/x
  3. Step 3: Cross multiply
    45,212,146,425.45x = 67,820,091,244.49 × 13,340,818,762.68
  4. Step 4: Simplify right side
    45,212,146,425.45x = 904,775,545,761,269,547,008
  5. Step 5: Solve for x
    x = 904,775,545,761,269,547,008/45,212,146,425.45
  6. Step 6: Final answer
    x = 20,011,780,401.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.