Home / 6,905,711,536.85-9,529,490,640.53-3,894,784,278.80

Finding the Fourth Proportional to 6,905,711,536.85, 9,529,490,640.53 and 3,894,784,278.80

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Solution

The fourth proportional to 6,905,711,536.85, 9,529,490,640.53 and 3,894,784,278.80 is: 5,374,581,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905,711,536.85 : 9,529,490,640.53 = 3,894,784,278.80 : x
  2. Step 2: Convert to fraction form
    6,905,711,536.85/9,529,490,640.53 = 3,894,784,278.80/x
  3. Step 3: Cross multiply
    6,905,711,536.85x = 9,529,490,640.53 × 3,894,784,278.80
  4. Step 4: Simplify right side
    6,905,711,536.85x = 37,115,310,331,670,077,440
  5. Step 5: Solve for x
    x = 37,115,310,331,670,077,440/6,905,711,536.85
  6. Step 6: Final answer
    x = 5,374,581,624.73

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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.