Home / 9,294,447,378.19-12,826,380,817.56-5,280,337,912.54

Finding the Fourth Proportional to 9,294,447,378.19, 12,826,380,817.56 and 5,280,337,912.54

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Solution

The fourth proportional to 9,294,447,378.19, 12,826,380,817.56 and 5,280,337,912.54 is: 7,286,890,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,294,447,378.19 : 12,826,380,817.56 = 5,280,337,912.54 : x
  2. Step 2: Convert to fraction form
    9,294,447,378.19/12,826,380,817.56 = 5,280,337,912.54/x
  3. Step 3: Cross multiply
    9,294,447,378.19x = 12,826,380,817.56 × 5,280,337,912.54
  4. Step 4: Simplify right side
    9,294,447,378.19x = 67,727,624,911,637,864,448
  5. Step 5: Solve for x
    x = 67,727,624,911,637,864,448/9,294,447,378.19
  6. Step 6: Final answer
    x = 7,286,890,995.86

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Double scale
Find fourth proportional to 9,294,447,379.19, 12,826,380,818.94 and 5,280,337,913.54
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.