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Finding the Fourth Proportional to 6,698,976,139.80, 10,048,464,209.70 and 6,698,976,139.80

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Solution

The fourth proportional to 6,698,976,139.80, 10,048,464,209.70 and 6,698,976,139.80 is: 10,048,464,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,698,976,139.80 : 10,048,464,209.70 = 6,698,976,139.80 : x
  2. Step 2: Convert to fraction form
    6,698,976,139.80/10,048,464,209.70 = 6,698,976,139.80/x
  3. Step 3: Cross multiply
    6,698,976,139.80x = 10,048,464,209.70 × 6,698,976,139.80
  4. Step 4: Simplify right side
    6,698,976,139.80x = 67,314,421,982,414,569,472
  5. Step 5: Solve for x
    x = 67,314,421,982,414,569,472/6,698,976,139.80
  6. Step 6: Final answer
    x = 10,048,464,209.70

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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.