Home / 278,626,756,784.94-384,498,897,746.28-161,309,348,104.22

Finding the Fourth Proportional to 278,626,756,784.94, 384,498,897,746.28 and 161,309,348,104.22

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Solution

The fourth proportional to 278,626,756,784.94, 384,498,897,746.28 and 161,309,348,104.22 is: 222,603,411,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,626,756,784.94 : 384,498,897,746.28 = 161,309,348,104.22 : x
  2. Step 2: Convert to fraction form
    278,626,756,784.94/384,498,897,746.28 = 161,309,348,104.22/x
  3. Step 3: Cross multiply
    278,626,756,784.94x = 384,498,897,746.28 × 161,309,348,104.22
  4. Step 4: Simplify right side
    278,626,756,784.94x = 62,023,266,542,243,572,350,976
  5. Step 5: Solve for x
    x = 62,023,266,542,243,572,350,976/278,626,756,784.94
  6. Step 6: Final answer
    x = 222,603,411,308.83

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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.