Home / 352,553,493.06-528,140,671.74-290,394,043.38

Finding the Fourth Proportional to 352,553,493.06, 528,140,671.74 and 290,394,043.38

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Solution

The fourth proportional to 352,553,493.06, 528,140,671.74 and 290,394,043.38 is: 435,023,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,553,493.06 : 528,140,671.74 = 290,394,043.38 : x
  2. Step 2: Convert to fraction form
    352,553,493.06/528,140,671.74 = 290,394,043.38/x
  3. Step 3: Cross multiply
    352,553,493.06x = 528,140,671.74 × 290,394,043.38
  4. Step 4: Simplify right side
    352,553,493.06x = 153,368,905,140,007,904
  5. Step 5: Solve for x
    x = 153,368,905,140,007,904/352,553,493.06
  6. Step 6: Final answer
    x = 435,023,076.38

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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.