Home / 6,640,399,233.40-9,959,163,959.40-2,909,683,413.40

Finding the Fourth Proportional to 6,640,399,233.40, 9,959,163,959.40 and 2,909,683,413.40

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Solution

The fourth proportional to 6,640,399,233.40, 9,959,163,959.40 and 2,909,683,413.40 is: 4,363,896,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,399,233.40 : 9,959,163,959.40 = 2,909,683,413.40 : x
  2. Step 2: Convert to fraction form
    6,640,399,233.40/9,959,163,959.40 = 2,909,683,413.40/x
  3. Step 3: Cross multiply
    6,640,399,233.40x = 9,959,163,959.40 × 2,909,683,413.40
  4. Step 4: Simplify right side
    6,640,399,233.40x = 28,978,014,183,997,251,584
  5. Step 5: Solve for x
    x = 28,978,014,183,997,251,584/6,640,399,233.40
  6. Step 6: Final answer
    x = 4,363,896,381.15

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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.