Home / 12,342,267,148.08-18,518,306,441.76-3,949,465,918.08

Finding the Fourth Proportional to 12,342,267,148.08, 18,518,306,441.76 and 3,949,465,918.08

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Solution

The fourth proportional to 12,342,267,148.08, 18,518,306,441.76 and 3,949,465,918.08 is: 5,925,768,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342,267,148.08 : 18,518,306,441.76 = 3,949,465,918.08 : x
  2. Step 2: Convert to fraction form
    12,342,267,148.08/18,518,306,441.76 = 3,949,465,918.08/x
  3. Step 3: Cross multiply
    12,342,267,148.08x = 18,518,306,441.76 × 3,949,465,918.08
  4. Step 4: Simplify right side
    12,342,267,148.08x = 73,137,420,152,292,425,728
  5. Step 5: Solve for x
    x = 73,137,420,152,292,425,728/12,342,267,148.08
  6. Step 6: Final answer
    x = 5,925,768,683.73

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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.