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Finding the Fourth Proportional to 734,892,002.40, 1,102,338,003.60 and 648,798,560.40

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Solution

The fourth proportional to 734,892,002.40, 1,102,338,003.60 and 648,798,560.40 is: 973,197,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,892,002.40 : 1,102,338,003.60 = 648,798,560.40 : x
  2. Step 2: Convert to fraction form
    734,892,002.40/1,102,338,003.60 = 648,798,560.40/x
  3. Step 3: Cross multiply
    734,892,002.40x = 1,102,338,003.60 × 648,798,560.40
  4. Step 4: Simplify right side
    734,892,002.40x = 715,195,309,809,889,920
  5. Step 5: Solve for x
    x = 715,195,309,809,889,920/734,892,002.40
  6. Step 6: Final answer
    x = 973,197,840.60

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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.