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Finding the Fourth Proportional to 2,657,870,184.80, 3,986,805,277.20 and 2,657,870,184.80

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Solution

The fourth proportional to 2,657,870,184.80, 3,986,805,277.20 and 2,657,870,184.80 is: 3,986,805,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,870,184.80 : 3,986,805,277.20 = 2,657,870,184.80 : x
  2. Step 2: Convert to fraction form
    2,657,870,184.80/3,986,805,277.20 = 2,657,870,184.80/x
  3. Step 3: Cross multiply
    2,657,870,184.80x = 3,986,805,277.20 × 2,657,870,184.80
  4. Step 4: Simplify right side
    2,657,870,184.80x = 10,596,410,878,873,180,160
  5. Step 5: Solve for x
    x = 10,596,410,878,873,180,160/2,657,870,184.80
  6. Step 6: Final answer
    x = 3,986,805,277.20

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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.