Home / 9,664,877,612.78-13,329,975,221.56-6,278,877,865.35

Finding the Fourth Proportional to 9,664,877,612.78, 13,329,975,221.56 and 6,278,877,865.35

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Solution

The fourth proportional to 9,664,877,612.78, 13,329,975,221.56 and 6,278,877,865.35 is: 8,659,942,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664,877,612.78 : 13,329,975,221.56 = 6,278,877,865.35 : x
  2. Step 2: Convert to fraction form
    9,664,877,612.78/13,329,975,221.56 = 6,278,877,865.35/x
  3. Step 3: Cross multiply
    9,664,877,612.78x = 13,329,975,221.56 × 6,278,877,865.35
  4. Step 4: Simplify right side
    9,664,877,612.78x = 83,697,286,364,323,332,096
  5. Step 5: Solve for x
    x = 83,697,286,364,323,332,096/9,664,877,612.78
  6. Step 6: Final answer
    x = 8,659,942,703.63

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Double scale
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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.