Home / 1,115,829,936.28-1,539,204,099.42-697,416,071.32

Finding the Fourth Proportional to 1,115,829,936.28, 1,539,204,099.42 and 697,416,071.32

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Solution

The fourth proportional to 1,115,829,936.28, 1,539,204,099.42 and 697,416,071.32 is: 962,033,407.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,829,936.28 : 1,539,204,099.42 = 697,416,071.32 : x
  2. Step 2: Convert to fraction form
    1,115,829,936.28/1,539,204,099.42 = 697,416,071.32/x
  3. Step 3: Cross multiply
    1,115,829,936.28x = 1,539,204,099.42 × 697,416,071.32
  4. Step 4: Simplify right side
    1,115,829,936.28x = 1,073,465,675,977,135,232
  5. Step 5: Solve for x
    x = 1,073,465,675,977,135,232/1,115,829,936.28
  6. Step 6: Final answer
    x = 962,033,407.67

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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.