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Finding the Fourth Proportional to 86,565,860,448.06, 129,848,790,672.08 and 86,565,860,448.06

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Solution

The fourth proportional to 86,565,860,448.06, 129,848,790,672.08 and 86,565,860,448.06 is: 129,848,790,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,565,860,448.06 : 129,848,790,672.08 = 86,565,860,448.06 : x
  2. Step 2: Convert to fraction form
    86,565,860,448.06/129,848,790,672.08 = 86,565,860,448.06/x
  3. Step 3: Cross multiply
    86,565,860,448.06x = 129,848,790,672.08 × 86,565,860,448.06
  4. Step 4: Simplify right side
    86,565,860,448.06x = 11,240,472,292,668,632,727,552
  5. Step 5: Solve for x
    x = 11,240,472,292,668,632,727,552/86,565,860,448.06
  6. Step 6: Final answer
    x = 129,848,790,672.08

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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.