Home / 3,188,793,363.66-4,782,770,101.40-947,792,841.75

Finding the Fourth Proportional to 3,188,793,363.66, 4,782,770,101.40 and 947,792,841.75

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Solution

The fourth proportional to 3,188,793,363.66, 4,782,770,101.40 and 947,792,841.75 is: 1,421,564,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,793,363.66 : 4,782,770,101.40 = 947,792,841.75 : x
  2. Step 2: Convert to fraction form
    3,188,793,363.66/4,782,770,101.40 = 947,792,841.75/x
  3. Step 3: Cross multiply
    3,188,793,363.66x = 4,782,770,101.40 × 947,792,841.75
  4. Step 4: Simplify right side
    3,188,793,363.66x = 4,533,075,265,838,103,040
  5. Step 5: Solve for x
    x = 4,533,075,265,838,103,040/3,188,793,363.66
  6. Step 6: Final answer
    x = 1,421,564,444.25

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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.