Home / 297,911,413.89-446,883,929.10-90,656,579.04

Finding the Fourth Proportional to 297,911,413.89, 446,883,929.10 and 90,656,579.04

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Solution

The fourth proportional to 297,911,413.89, 446,883,929.10 and 90,656,579.04 is: 135,989,983.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,911,413.89 : 446,883,929.10 = 90,656,579.04 : x
  2. Step 2: Convert to fraction form
    297,911,413.89/446,883,929.10 = 90,656,579.04/x
  3. Step 3: Cross multiply
    297,911,413.89x = 446,883,929.10 × 90,656,579.04
  4. Step 4: Simplify right side
    297,911,413.89x = 40,512,968,240,159,912
  5. Step 5: Solve for x
    x = 40,512,968,240,159,912/297,911,413.89
  6. Step 6: Final answer
    x = 135,989,983.44

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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.