Home / 7,872,819,805.75-10,864,492,253.11-4,304,529,128.98

Finding the Fourth Proportional to 7,872,819,805.75, 10,864,492,253.11 and 4,304,529,128.98

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Solution

The fourth proportional to 7,872,819,805.75, 10,864,492,253.11 and 4,304,529,128.98 is: 5,940,250,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872,819,805.75 : 10,864,492,253.11 = 4,304,529,128.98 : x
  2. Step 2: Convert to fraction form
    7,872,819,805.75/10,864,492,253.11 = 4,304,529,128.98/x
  3. Step 3: Cross multiply
    7,872,819,805.75x = 10,864,492,253.11 × 4,304,529,128.98
  4. Step 4: Simplify right side
    7,872,819,805.75x = 46,766,523,375,089,541,120
  5. Step 5: Solve for x
    x = 46,766,523,375,089,541,120/7,872,819,805.75
  6. Step 6: Final answer
    x = 5,940,250,701.65

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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.