Home / 646,752,107.34-970,135,935.60-180,385,144.50

Finding the Fourth Proportional to 646,752,107.34, 970,135,935.60 and 180,385,144.50

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Solution

The fourth proportional to 646,752,107.34, 970,135,935.60 and 180,385,144.50 is: 270,579,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,752,107.34 : 970,135,935.60 = 180,385,144.50 : x
  2. Step 2: Convert to fraction form
    646,752,107.34/970,135,935.60 = 180,385,144.50/x
  3. Step 3: Cross multiply
    646,752,107.34x = 970,135,935.60 × 180,385,144.50
  4. Step 4: Simplify right side
    646,752,107.34x = 174,998,110,927,848,704
  5. Step 5: Solve for x
    x = 174,998,110,927,848,704/646,752,107.34
  6. Step 6: Final answer
    x = 270,579,885.16

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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.