Home / 579,517,097.60-869,317,636.80-348,989,801.60

Finding the Fourth Proportional to 579,517,097.60, 869,317,636.80 and 348,989,801.60

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Solution

The fourth proportional to 579,517,097.60, 869,317,636.80 and 348,989,801.60 is: 523,509,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,517,097.60 : 869,317,636.80 = 348,989,801.60 : x
  2. Step 2: Convert to fraction form
    579,517,097.60/869,317,636.80 = 348,989,801.60/x
  3. Step 3: Cross multiply
    579,517,097.60x = 869,317,636.80 × 348,989,801.60
  4. Step 4: Simplify right side
    579,517,097.60x = 303,382,989,594,212,864
  5. Step 5: Solve for x
    x = 303,382,989,594,212,864/579,517,097.60
  6. Step 6: Final answer
    x = 523,509,989.35

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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.