Home / 1,115,784,153.22-1,541,905,740.81-836,841,401.14

Finding the Fourth Proportional to 1,115,784,153.22, 1,541,905,740.81 and 836,841,401.14

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Solution

The fourth proportional to 1,115,784,153.22, 1,541,905,740.81 and 836,841,401.14 is: 1,156,433,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,784,153.22 : 1,541,905,740.81 = 836,841,401.14 : x
  2. Step 2: Convert to fraction form
    1,115,784,153.22/1,541,905,740.81 = 836,841,401.14/x
  3. Step 3: Cross multiply
    1,115,784,153.22x = 1,541,905,740.81 × 836,841,401.14
  4. Step 4: Simplify right side
    1,115,784,153.22x = 1,290,330,560,565,250,048
  5. Step 5: Solve for x
    x = 1,290,330,560,565,250,048/1,115,784,153.22
  6. Step 6: Final answer
    x = 1,156,433,846.85

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Double scale
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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.