Home / 13,971,678,954.88-19,280,817,131.52-7,628,046,580.48

Finding the Fourth Proportional to 13,971,678,954.88, 19,280,817,131.52 and 7,628,046,580.48

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Solution

The fourth proportional to 13,971,678,954.88, 19,280,817,131.52 and 7,628,046,580.48 is: 10,526,649,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,678,954.88 : 19,280,817,131.52 = 7,628,046,580.48 : x
  2. Step 2: Convert to fraction form
    13,971,678,954.88/19,280,817,131.52 = 7,628,046,580.48/x
  3. Step 3: Cross multiply
    13,971,678,954.88x = 19,280,817,131.52 × 7,628,046,580.48
  4. Step 4: Simplify right side
    13,971,678,954.88x = 147,074,971,188,951,334,912
  5. Step 5: Solve for x
    x = 147,074,971,188,951,334,912/13,971,678,954.88
  6. Step 6: Final answer
    x = 10,526,649,779.45

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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.