Home / 86,680,322,479.19-129,989,290,592.46-30,004,786,405.37

Finding the Fourth Proportional to 86,680,322,479.19, 129,989,290,592.46 and 30,004,786,405.37

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Solution

The fourth proportional to 86,680,322,479.19, 129,989,290,592.46 and 30,004,786,405.37 is: 44,996,381,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,680,322,479.19 : 129,989,290,592.46 = 30,004,786,405.37 : x
  2. Step 2: Convert to fraction form
    86,680,322,479.19/129,989,290,592.46 = 30,004,786,405.37/x
  3. Step 3: Cross multiply
    86,680,322,479.19x = 129,989,290,592.46 × 30,004,786,405.37
  4. Step 4: Simplify right side
    86,680,322,479.19x = 3,900,300,899,212,334,202,880
  5. Step 5: Solve for x
    x = 3,900,300,899,212,334,202,880/86,680,322,479.19
  6. Step 6: Final answer
    x = 44,996,381,966.03

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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.