Home / 5,196,312,002.80-7,794,468,004.20-1,318,918,466.80

Finding the Fourth Proportional to 5,196,312,002.80, 7,794,468,004.20 and 1,318,918,466.80

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Solution

The fourth proportional to 5,196,312,002.80, 7,794,468,004.20 and 1,318,918,466.80 is: 1,978,377,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196,312,002.80 : 7,794,468,004.20 = 1,318,918,466.80 : x
  2. Step 2: Convert to fraction form
    5,196,312,002.80/7,794,468,004.20 = 1,318,918,466.80/x
  3. Step 3: Cross multiply
    5,196,312,002.80x = 7,794,468,004.20 × 1,318,918,466.80
  4. Step 4: Simplify right side
    5,196,312,002.80x = 10,280,267,789,621,118,976
  5. Step 5: Solve for x
    x = 10,280,267,789,621,118,976/5,196,312,002.80
  6. Step 6: Final answer
    x = 1,978,377,700.20

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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.