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Finding the Fourth Proportional to 5,570,295,920.85, 8,355,443,881.28 and 5,570,295,920.85

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Solution

The fourth proportional to 5,570,295,920.85, 8,355,443,881.28 and 5,570,295,920.85 is: 8,355,443,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570,295,920.85 : 8,355,443,881.28 = 5,570,295,920.85 : x
  2. Step 2: Convert to fraction form
    5,570,295,920.85/8,355,443,881.28 = 5,570,295,920.85/x
  3. Step 3: Cross multiply
    5,570,295,920.85x = 8,355,443,881.28 × 5,570,295,920.85
  4. Step 4: Simplify right side
    5,570,295,920.85x = 46,542,294,968,785,076,224
  5. Step 5: Solve for x
    x = 46,542,294,968,785,076,224/5,570,295,920.85
  6. Step 6: Final answer
    x = 8,355,443,881.28

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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.