Home / 445,570,315.74-668,354,910.47-169,221,015.18

Finding the Fourth Proportional to 445,570,315.74, 668,354,910.47 and 169,221,015.18

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Solution

The fourth proportional to 445,570,315.74, 668,354,910.47 and 169,221,015.18 is: 253,831,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,570,315.74 : 668,354,910.47 = 169,221,015.18 : x
  2. Step 2: Convert to fraction form
    445,570,315.74/668,354,910.47 = 169,221,015.18/x
  3. Step 3: Cross multiply
    445,570,315.74x = 668,354,910.47 × 169,221,015.18
  4. Step 4: Simplify right side
    445,570,315.74x = 113,099,696,449,425,312
  5. Step 5: Solve for x
    x = 113,099,696,449,425,312/445,570,315.74
  6. Step 6: Final answer
    x = 253,831,308.90

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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.