Home / 7,921,281,712.40-11,881,922,568.60-7,025,909,915.60

Finding the Fourth Proportional to 7,921,281,712.40, 11,881,922,568.60 and 7,025,909,915.60

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Solution

The fourth proportional to 7,921,281,712.40, 11,881,922,568.60 and 7,025,909,915.60 is: 10,538,864,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,281,712.40 : 11,881,922,568.60 = 7,025,909,915.60 : x
  2. Step 2: Convert to fraction form
    7,921,281,712.40/11,881,922,568.60 = 7,025,909,915.60/x
  3. Step 3: Cross multiply
    7,921,281,712.40x = 11,881,922,568.60 × 7,025,909,915.60
  4. Step 4: Simplify right side
    7,921,281,712.40x = 83,481,317,591,118,168,064
  5. Step 5: Solve for x
    x = 83,481,317,591,118,168,064/7,921,281,712.40
  6. Step 6: Final answer
    x = 10,538,864,873.40

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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.