Home / 758,235,093.60-1,137,352,640.40-430,584,002.40

Finding the Fourth Proportional to 758,235,093.60, 1,137,352,640.40 and 430,584,002.40

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Solution

The fourth proportional to 758,235,093.60, 1,137,352,640.40 and 430,584,002.40 is: 645,876,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,235,093.60 : 1,137,352,640.40 = 430,584,002.40 : x
  2. Step 2: Convert to fraction form
    758,235,093.60/1,137,352,640.40 = 430,584,002.40/x
  3. Step 3: Cross multiply
    758,235,093.60x = 1,137,352,640.40 × 430,584,002.40
  4. Step 4: Simplify right side
    758,235,093.60x = 489,725,852,043,639,936
  5. Step 5: Solve for x
    x = 489,725,852,043,639,936/758,235,093.60
  6. Step 6: Final answer
    x = 645,876,003.60

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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.