Home / 477,724,307,015.90-659,259,518,469.10-257,992,977,983.91

Finding the Fourth Proportional to 477,724,307,015.90, 659,259,518,469.10 and 257,992,977,983.91

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Solution

The fourth proportional to 477,724,307,015.90, 659,259,518,469.10 and 257,992,977,983.91 is: 356,030,296,001.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,724,307,015.90 : 659,259,518,469.10 = 257,992,977,983.91 : x
  2. Step 2: Convert to fraction form
    477,724,307,015.90/659,259,518,469.10 = 257,992,977,983.91/x
  3. Step 3: Cross multiply
    477,724,307,015.90x = 659,259,518,469.10 × 257,992,977,983.91
  4. Step 4: Simplify right side
    477,724,307,015.90x = 170,084,326,434,081,609,875,456
  5. Step 5: Solve for x
    x = 170,084,326,434,081,609,875,456/477,724,307,015.90
  6. Step 6: Final answer
    x = 356,030,296,001.71

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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.