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Finding the Fourth Proportional to 290,653,480,441.80, 435,980,220,662.70 and 290,653,480,441.80

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Solution

The fourth proportional to 290,653,480,441.80, 435,980,220,662.70 and 290,653,480,441.80 is: 435,980,220,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,653,480,441.80 : 435,980,220,662.70 = 290,653,480,441.80 : x
  2. Step 2: Convert to fraction form
    290,653,480,441.80/435,980,220,662.70 = 290,653,480,441.80/x
  3. Step 3: Cross multiply
    290,653,480,441.80x = 435,980,220,662.70 × 290,653,480,441.80
  4. Step 4: Simplify right side
    290,653,480,441.80x = 126,719,168,539,397,713,821,696
  5. Step 5: Solve for x
    x = 126,719,168,539,397,713,821,696/290,653,480,441.80
  6. Step 6: Final answer
    x = 435,980,220,662.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.