Home / 80,152,265,680.89-110,612,286,665.74-47,157,656,189.55

Finding the Fourth Proportional to 80,152,265,680.89, 110,612,286,665.74 and 47,157,656,189.55

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Solution

The fourth proportional to 80,152,265,680.89, 110,612,286,665.74 and 47,157,656,189.55 is: 65,078,836,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,152,265,680.89 : 110,612,286,665.74 = 47,157,656,189.55 : x
  2. Step 2: Convert to fraction form
    80,152,265,680.89/110,612,286,665.74 = 47,157,656,189.55/x
  3. Step 3: Cross multiply
    80,152,265,680.89x = 110,612,286,665.74 × 47,157,656,189.55
  4. Step 4: Simplify right side
    80,152,265,680.89x = 5,216,216,184,922,913,636,352
  5. Step 5: Solve for x
    x = 5,216,216,184,922,913,636,352/80,152,265,680.89
  6. Step 6: Final answer
    x = 65,078,836,394.85

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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.