Home / 717,456,413.60-1,076,184,620.40-656,234,410.40

Finding the Fourth Proportional to 717,456,413.60, 1,076,184,620.40 and 656,234,410.40

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Solution

The fourth proportional to 717,456,413.60, 1,076,184,620.40 and 656,234,410.40 is: 984,351,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,456,413.60 : 1,076,184,620.40 = 656,234,410.40 : x
  2. Step 2: Convert to fraction form
    717,456,413.60/1,076,184,620.40 = 656,234,410.40/x
  3. Step 3: Cross multiply
    717,456,413.60x = 1,076,184,620.40 × 656,234,410.40
  4. Step 4: Simplify right side
    717,456,413.60x = 706,229,379,849,741,824
  5. Step 5: Solve for x
    x = 706,229,379,849,741,824/717,456,413.60
  6. Step 6: Final answer
    x = 984,351,615.60

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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.