Home / 3,136,871,999.40-4,705,307,999.10-2,798,261,413.80

Finding the Fourth Proportional to 3,136,871,999.40, 4,705,307,999.10 and 2,798,261,413.80

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Solution

The fourth proportional to 3,136,871,999.40, 4,705,307,999.10 and 2,798,261,413.80 is: 4,197,392,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,871,999.40 : 4,705,307,999.10 = 2,798,261,413.80 : x
  2. Step 2: Convert to fraction form
    3,136,871,999.40/4,705,307,999.10 = 2,798,261,413.80/x
  3. Step 3: Cross multiply
    3,136,871,999.40x = 4,705,307,999.10 × 2,798,261,413.80
  4. Step 4: Simplify right side
    3,136,871,999.40x = 13,166,681,813,926,017,024
  5. Step 5: Solve for x
    x = 13,166,681,813,926,017,024/3,136,871,999.40
  6. Step 6: Final answer
    x = 4,197,392,120.70

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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.