Home / 8,503,065,988.40-12,754,598,982.60-7,339,847,927.60

Finding the Fourth Proportional to 8,503,065,988.40, 12,754,598,982.60 and 7,339,847,927.60

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Solution

The fourth proportional to 8,503,065,988.40, 12,754,598,982.60 and 7,339,847,927.60 is: 11,009,771,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,065,988.40 : 12,754,598,982.60 = 7,339,847,927.60 : x
  2. Step 2: Convert to fraction form
    8,503,065,988.40/12,754,598,982.60 = 7,339,847,927.60/x
  3. Step 3: Cross multiply
    8,503,065,988.40x = 12,754,598,982.60 × 7,339,847,927.60
  4. Step 4: Simplify right side
    8,503,065,988.40x = 93,616,816,909,805,682,688
  5. Step 5: Solve for x
    x = 93,616,816,909,805,682,688/8,503,065,988.40
  6. Step 6: Final answer
    x = 11,009,771,891.40

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Double scale
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Similar ratio
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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.