Home / 6,115,265,012.88-8,438,933,446.02-3,540,397,332.42

Finding the Fourth Proportional to 6,115,265,012.88, 8,438,933,446.02 and 3,540,397,332.42

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Solution

The fourth proportional to 6,115,265,012.88, 8,438,933,446.02 and 3,540,397,332.42 is: 4,885,671,740.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115,265,012.88 : 8,438,933,446.02 = 3,540,397,332.42 : x
  2. Step 2: Convert to fraction form
    6,115,265,012.88/8,438,933,446.02 = 3,540,397,332.42/x
  3. Step 3: Cross multiply
    6,115,265,012.88x = 8,438,933,446.02 × 3,540,397,332.42
  4. Step 4: Simplify right side
    6,115,265,012.88x = 29,877,177,460,759,130,112
  5. Step 5: Solve for x
    x = 29,877,177,460,759,130,112/6,115,265,012.88
  6. Step 6: Final answer
    x = 4,885,671,740.77

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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.