Home / 3,180,566,623.84-4,389,129,531.12-1,860,690,778.72

Finding the Fourth Proportional to 3,180,566,623.84, 4,389,129,531.12 and 1,860,690,778.72

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Solution

The fourth proportional to 3,180,566,623.84, 4,389,129,531.12 and 1,860,690,778.72 is: 2,567,722,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,566,623.84 : 4,389,129,531.12 = 1,860,690,778.72 : x
  2. Step 2: Convert to fraction form
    3,180,566,623.84/4,389,129,531.12 = 1,860,690,778.72/x
  3. Step 3: Cross multiply
    3,180,566,623.84x = 4,389,129,531.12 × 1,860,690,778.72
  4. Step 4: Simplify right side
    3,180,566,623.84x = 8,166,812,845,162,620,928
  5. Step 5: Solve for x
    x = 8,166,812,845,162,620,928/3,180,566,623.84
  6. Step 6: Final answer
    x = 2,567,722,613.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.