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Finding the Fourth Proportional to 4,480,783,425.60, 6,721,175,138.40 and 4,480,783,425.60

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Solution

The fourth proportional to 4,480,783,425.60, 6,721,175,138.40 and 4,480,783,425.60 is: 6,721,175,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480,783,425.60 : 6,721,175,138.40 = 4,480,783,425.60 : x
  2. Step 2: Convert to fraction form
    4,480,783,425.60/6,721,175,138.40 = 4,480,783,425.60/x
  3. Step 3: Cross multiply
    4,480,783,425.60x = 6,721,175,138.40 × 4,480,783,425.60
  4. Step 4: Simplify right side
    4,480,783,425.60x = 30,116,130,160,697,507,840
  5. Step 5: Solve for x
    x = 30,116,130,160,697,507,840/4,480,783,425.60
  6. Step 6: Final answer
    x = 6,721,175,138.40

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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.