Home / 477,724,307,179.41-659,259,518,694.98-257,992,978,146.21

Finding the Fourth Proportional to 477,724,307,179.41, 659,259,518,694.98 and 257,992,978,146.21

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Solution

The fourth proportional to 477,724,307,179.41, 659,259,518,694.98 and 257,992,978,146.21 is: 356,030,296,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,724,307,179.41 : 659,259,518,694.98 = 257,992,978,146.21 : x
  2. Step 2: Convert to fraction form
    477,724,307,179.41/659,259,518,694.98 = 257,992,978,146.21/x
  3. Step 3: Cross multiply
    477,724,307,179.41x = 659,259,518,694.98 × 257,992,978,146.21
  4. Step 4: Simplify right side
    477,724,307,179.41x = 170,084,326,599,354,870,661,120
  5. Step 5: Solve for x
    x = 170,084,326,599,354,870,661,120/477,724,307,179.41
  6. Step 6: Final answer
    x = 356,030,296,225.81

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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.