Home / 1,115,784,154.22-1,541,905,742.19-836,841,402.14

Finding the Fourth Proportional to 1,115,784,154.22, 1,541,905,742.19 and 836,841,402.14

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Solution

The fourth proportional to 1,115,784,154.22, 1,541,905,742.19 and 836,841,402.14 is: 1,156,433,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,784,154.22 : 1,541,905,742.19 = 836,841,402.14 : x
  2. Step 2: Convert to fraction form
    1,115,784,154.22/1,541,905,742.19 = 836,841,402.14/x
  3. Step 3: Cross multiply
    1,115,784,154.22x = 1,541,905,742.19 × 836,841,402.14
  4. Step 4: Simplify right side
    1,115,784,154.22x = 1,290,330,563,261,997,056
  5. Step 5: Solve for x
    x = 1,290,330,563,261,997,056/1,115,784,154.22
  6. Step 6: Final answer
    x = 1,156,433,848.23

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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.