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Finding the Fourth Proportional to 66,366,534,718.80, 99,549,802,078.20 and 66,366,534,718.80

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Solution

The fourth proportional to 66,366,534,718.80, 99,549,802,078.20 and 66,366,534,718.80 is: 99,549,802,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,366,534,718.80 : 99,549,802,078.20 = 66,366,534,718.80 : x
  2. Step 2: Convert to fraction form
    66,366,534,718.80/99,549,802,078.20 = 66,366,534,718.80/x
  3. Step 3: Cross multiply
    66,366,534,718.80x = 99,549,802,078.20 × 66,366,534,718.80
  4. Step 4: Simplify right side
    66,366,534,718.80x = 6,606,775,395,872,529,186,816
  5. Step 5: Solve for x
    x = 6,606,775,395,872,529,186,816/66,366,534,718.80
  6. Step 6: Final answer
    x = 99,549,802,078.20

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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.