Home / 284,957,600,296.72-427,508,750,010.78-131,912,826,374.16

Finding the Fourth Proportional to 284,957,600,296.72, 427,508,750,010.78 and 131,912,826,374.16

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Solution

The fourth proportional to 284,957,600,296.72, 427,508,750,010.78 and 131,912,826,374.16 is: 197,902,731,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,957,600,296.72 : 427,508,750,010.78 = 131,912,826,374.16 : x
  2. Step 2: Convert to fraction form
    284,957,600,296.72/427,508,750,010.78 = 131,912,826,374.16/x
  3. Step 3: Cross multiply
    284,957,600,296.72x = 427,508,750,010.78 × 131,912,826,374.16
  4. Step 4: Simplify right side
    284,957,600,296.72x = 56,393,887,513,606,201,802,752
  5. Step 5: Solve for x
    x = 56,393,887,513,606,201,802,752/284,957,600,296.72
  6. Step 6: Final answer
    x = 197,902,731,686.70

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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.