Home / 572,022,078.60-858,033,117.90-442,881,915.60

Finding the Fourth Proportional to 572,022,078.60, 858,033,117.90 and 442,881,915.60

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Solution

The fourth proportional to 572,022,078.60, 858,033,117.90 and 442,881,915.60 is: 664,322,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,022,078.60 : 858,033,117.90 = 442,881,915.60 : x
  2. Step 2: Convert to fraction form
    572,022,078.60/858,033,117.90 = 442,881,915.60/x
  3. Step 3: Cross multiply
    572,022,078.60x = 858,033,117.90 × 442,881,915.60
  4. Step 4: Simplify right side
    572,022,078.60x = 380,007,350,903,792,640
  5. Step 5: Solve for x
    x = 380,007,350,903,792,640/572,022,078.60
  6. Step 6: Final answer
    x = 664,322,873.40

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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.