Home / 880,969,941.33-1,321,172,027.60-290,627,490.93

Finding the Fourth Proportional to 880,969,941.33, 1,321,172,027.60 and 290,627,490.93

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Solution

The fourth proportional to 880,969,941.33, 1,321,172,027.60 and 290,627,490.93 is: 435,847,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,969,941.33 : 1,321,172,027.60 = 290,627,490.93 : x
  2. Step 2: Convert to fraction form
    880,969,941.33/1,321,172,027.60 = 290,627,490.93/x
  3. Step 3: Cross multiply
    880,969,941.33x = 1,321,172,027.60 × 290,627,490.93
  4. Step 4: Simplify right side
    880,969,941.33x = 383,968,911,466,835,584
  5. Step 5: Solve for x
    x = 383,968,911,466,835,584/880,969,941.33
  6. Step 6: Final answer
    x = 435,847,914.27

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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.