Home / 278,626,756,783.18-384,498,897,743.87-161,309,348,102.48

Finding the Fourth Proportional to 278,626,756,783.18, 384,498,897,743.87 and 161,309,348,102.48

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Solution

The fourth proportional to 278,626,756,783.18, 384,498,897,743.87 and 161,309,348,102.48 is: 222,603,411,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,626,756,783.18 : 384,498,897,743.87 = 161,309,348,102.48 : x
  2. Step 2: Convert to fraction form
    278,626,756,783.18/384,498,897,743.87 = 161,309,348,102.48/x
  3. Step 3: Cross multiply
    278,626,756,783.18x = 384,498,897,743.87 × 161,309,348,102.48
  4. Step 4: Simplify right side
    278,626,756,783.18x = 62,023,266,541,185,794,048,000
  5. Step 5: Solve for x
    x = 62,023,266,541,185,794,048,000/278,626,756,783.18
  6. Step 6: Final answer
    x = 222,603,411,306.44

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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.