Home / 10,360,571,309.20-15,540,856,963.80-7,054,583,136.40

Finding the Fourth Proportional to 10,360,571,309.20, 15,540,856,963.80 and 7,054,583,136.40

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Solution

The fourth proportional to 10,360,571,309.20, 15,540,856,963.80 and 7,054,583,136.40 is: 10,581,874,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360,571,309.20 : 15,540,856,963.80 = 7,054,583,136.40 : x
  2. Step 2: Convert to fraction form
    10,360,571,309.20/15,540,856,963.80 = 7,054,583,136.40/x
  3. Step 3: Cross multiply
    10,360,571,309.20x = 15,540,856,963.80 × 7,054,583,136.40
  4. Step 4: Simplify right side
    10,360,571,309.20x = 109,634,267,462,027,968,512
  5. Step 5: Solve for x
    x = 109,634,267,462,027,968,512/10,360,571,309.20
  6. Step 6: Final answer
    x = 10,581,874,704.60

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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.