Home / 426,748,603,748.73-640,160,531,884.64-120,441,112,428.83

Finding the Fourth Proportional to 426,748,603,748.73, 640,160,531,884.64 and 120,441,112,428.83

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Solution

The fourth proportional to 426,748,603,748.73, 640,160,531,884.64 and 120,441,112,428.83 is: 180,672,287,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,748,603,748.73 : 640,160,531,884.64 = 120,441,112,428.83 : x
  2. Step 2: Convert to fraction form
    426,748,603,748.73/640,160,531,884.64 = 120,441,112,428.83/x
  3. Step 3: Cross multiply
    426,748,603,748.73x = 640,160,531,884.64 × 120,441,112,428.83
  4. Step 4: Simplify right side
    426,748,603,748.73x = 77,101,646,593,217,536,196,608
  5. Step 5: Solve for x
    x = 77,101,646,593,217,536,196,608/426,748,603,748.73
  6. Step 6: Final answer
    x = 180,672,287,890.17

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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.