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Finding the Fourth Proportional to 10,620,948,000.20, 14,840,303,435.80 and 10,620,948,000.20

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Solution

The fourth proportional to 10,620,948,000.20, 14,840,303,435.80 and 10,620,948,000.20 is: 14,840,303,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620,948,000.20 : 14,840,303,435.80 = 10,620,948,000.20 : x
  2. Step 2: Convert to fraction form
    10,620,948,000.20/14,840,303,435.80 = 10,620,948,000.20/x
  3. Step 3: Cross multiply
    10,620,948,000.20x = 14,840,303,435.80 × 10,620,948,000.20
  4. Step 4: Simplify right side
    10,620,948,000.20x = 157,618,091,098,821,197,824
  5. Step 5: Solve for x
    x = 157,618,091,098,821,197,824/10,620,948,000.20
  6. Step 6: Final answer
    x = 14,840,303,435.80

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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.