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Finding the Fourth Proportional to 7,938,843,674.40, 11,908,265,511.60 and 7,938,843,674.40

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Solution

The fourth proportional to 7,938,843,674.40, 11,908,265,511.60 and 7,938,843,674.40 is: 11,908,265,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,843,674.40 : 11,908,265,511.60 = 7,938,843,674.40 : x
  2. Step 2: Convert to fraction form
    7,938,843,674.40/11,908,265,511.60 = 7,938,843,674.40/x
  3. Step 3: Cross multiply
    7,938,843,674.40x = 11,908,265,511.60 × 7,938,843,674.40
  4. Step 4: Simplify right side
    7,938,843,674.40x = 94,537,858,329,841,336,320
  5. Step 5: Solve for x
    x = 94,537,858,329,841,336,320/7,938,843,674.40
  6. Step 6: Final answer
    x = 11,908,265,511.60

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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.