Home / 263,087,783,105.52-363,061,409,383.88-142,793,746,071.60

Finding the Fourth Proportional to 263,087,783,105.52, 363,061,409,383.88 and 142,793,746,071.60

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Solution

The fourth proportional to 263,087,783,105.52, 363,061,409,383.88 and 142,793,746,071.60 is: 197,055,515,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,087,783,105.52 : 363,061,409,383.88 = 142,793,746,071.60 : x
  2. Step 2: Convert to fraction form
    263,087,783,105.52/363,061,409,383.88 = 142,793,746,071.60/x
  3. Step 3: Cross multiply
    263,087,783,105.52x = 363,061,409,383.88 × 142,793,746,071.60
  4. Step 4: Simplify right side
    263,087,783,105.52x = 51,842,898,699,958,980,968,448
  5. Step 5: Solve for x
    x = 51,842,898,699,958,980,968,448/263,087,783,105.52
  6. Step 6: Final answer
    x = 197,055,515,417.70

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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.