Home / 7,921,281,708.90-11,881,922,563.35-7,025,909,912.10

Finding the Fourth Proportional to 7,921,281,708.90, 11,881,922,563.35 and 7,025,909,912.10

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Solution

The fourth proportional to 7,921,281,708.90, 11,881,922,563.35 and 7,025,909,912.10 is: 10,538,864,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,281,708.90 : 11,881,922,563.35 = 7,025,909,912.10 : x
  2. Step 2: Convert to fraction form
    7,921,281,708.90/11,881,922,563.35 = 7,025,909,912.10/x
  3. Step 3: Cross multiply
    7,921,281,708.90x = 11,881,922,563.35 × 7,025,909,912.10
  4. Step 4: Simplify right side
    7,921,281,708.90x = 83,481,317,512,645,410,816
  5. Step 5: Solve for x
    x = 83,481,317,512,645,410,816/7,921,281,708.90
  6. Step 6: Final answer
    x = 10,538,864,868.15

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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.