Home / 3,169,804,518.90-4,754,706,778.35-1,991,280,957.30

Finding the Fourth Proportional to 3,169,804,518.90, 4,754,706,778.35 and 1,991,280,957.30

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Solution

The fourth proportional to 3,169,804,518.90, 4,754,706,778.35 and 1,991,280,957.30 is: 2,986,921,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169,804,518.90 : 4,754,706,778.35 = 1,991,280,957.30 : x
  2. Step 2: Convert to fraction form
    3,169,804,518.90/4,754,706,778.35 = 1,991,280,957.30/x
  3. Step 3: Cross multiply
    3,169,804,518.90x = 4,754,706,778.35 × 1,991,280,957.30
  4. Step 4: Simplify right side
    3,169,804,518.90x = 9,467,957,065,273,587,712
  5. Step 5: Solve for x
    x = 9,467,957,065,273,587,712/3,169,804,518.90
  6. Step 6: Final answer
    x = 2,986,921,435.95

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Double scale
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1.5x scale

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.