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Finding the Fourth Proportional to 5,310,482,693.60, 7,420,163,888.80 and 5,310,482,693.60

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Solution

The fourth proportional to 5,310,482,693.60, 7,420,163,888.80 and 5,310,482,693.60 is: 7,420,163,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,482,693.60 : 7,420,163,888.80 = 5,310,482,693.60 : x
  2. Step 2: Convert to fraction form
    5,310,482,693.60/7,420,163,888.80 = 5,310,482,693.60/x
  3. Step 3: Cross multiply
    5,310,482,693.60x = 7,420,163,888.80 × 5,310,482,693.60
  4. Step 4: Simplify right side
    5,310,482,693.60x = 39,404,651,915,148,075,008
  5. Step 5: Solve for x
    x = 39,404,651,915,148,075,008/5,310,482,693.60
  6. Step 6: Final answer
    x = 7,420,163,888.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.