Home / 477,724,307,015.40-659,259,518,468.40-257,992,977,983.41

Finding the Fourth Proportional to 477,724,307,015.40, 659,259,518,468.40 and 257,992,977,983.41

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Solution

The fourth proportional to 477,724,307,015.40, 659,259,518,468.40 and 257,992,977,983.41 is: 356,030,296,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,724,307,015.40 : 659,259,518,468.40 = 257,992,977,983.41 : x
  2. Step 2: Convert to fraction form
    477,724,307,015.40/659,259,518,468.40 = 257,992,977,983.41/x
  3. Step 3: Cross multiply
    477,724,307,015.40x = 659,259,518,468.40 × 257,992,977,983.41
  4. Step 4: Simplify right side
    477,724,307,015.40x = 170,084,326,433,571,414,736,896
  5. Step 5: Solve for x
    x = 170,084,326,433,571,414,736,896/477,724,307,015.40
  6. Step 6: Final answer
    x = 356,030,296,001.01

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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.