Home / 8,371,120,176.90-12,556,680,265.35-4,186,978,895.70

Finding the Fourth Proportional to 8,371,120,176.90, 12,556,680,265.35 and 4,186,978,895.70

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Solution

The fourth proportional to 8,371,120,176.90, 12,556,680,265.35 and 4,186,978,895.70 is: 6,280,468,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371,120,176.90 : 12,556,680,265.35 = 4,186,978,895.70 : x
  2. Step 2: Convert to fraction form
    8,371,120,176.90/12,556,680,265.35 = 4,186,978,895.70/x
  3. Step 3: Cross multiply
    8,371,120,176.90x = 12,556,680,265.35 × 4,186,978,895.70
  4. Step 4: Simplify right side
    8,371,120,176.90x = 52,574,555,271,073,128,448
  5. Step 5: Solve for x
    x = 52,574,555,271,073,128,448/8,371,120,176.90
  6. Step 6: Final answer
    x = 6,280,468,343.55

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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.