Home / 477,724,299,690.90-659,259,508,357.40-257,992,970,660.88

Finding the Fourth Proportional to 477,724,299,690.90, 659,259,508,357.40 and 257,992,970,660.88

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Solution

The fourth proportional to 477,724,299,690.90, 659,259,508,357.40 and 257,992,970,660.88 is: 356,030,285,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,724,299,690.90 : 659,259,508,357.40 = 257,992,970,660.88 : x
  2. Step 2: Convert to fraction form
    477,724,299,690.90/659,259,508,357.40 = 257,992,970,660.88/x
  3. Step 3: Cross multiply
    477,724,299,690.90x = 659,259,508,357.40 × 257,992,970,660.88
  4. Step 4: Simplify right side
    477,724,299,690.90x = 170,084,318,997,556,894,892,032
  5. Step 5: Solve for x
    x = 170,084,318,997,556,894,892,032/477,724,299,690.90
  6. Step 6: Final answer
    x = 356,030,285,894.20

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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.