Home / 426,748,603,747.23-640,160,531,882.39-120,441,112,427.32

Finding the Fourth Proportional to 426,748,603,747.23, 640,160,531,882.39 and 120,441,112,427.32

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Solution

The fourth proportional to 426,748,603,747.23, 640,160,531,882.39 and 120,441,112,427.32 is: 180,672,287,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,748,603,747.23 : 640,160,531,882.39 = 120,441,112,427.32 : x
  2. Step 2: Convert to fraction form
    426,748,603,747.23/640,160,531,882.39 = 120,441,112,427.32/x
  3. Step 3: Cross multiply
    426,748,603,747.23x = 640,160,531,882.39 × 120,441,112,427.32
  4. Step 4: Simplify right side
    426,748,603,747.23x = 77,101,646,591,979,914,526,720
  5. Step 5: Solve for x
    x = 77,101,646,591,979,914,526,720/426,748,603,747.23
  6. Step 6: Final answer
    x = 180,672,287,887.90

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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.