Home / 10,426,493,260.20-15,639,739,890.30-7,120,505,087.40

Finding the Fourth Proportional to 10,426,493,260.20, 15,639,739,890.30 and 7,120,505,087.40

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Solution

The fourth proportional to 10,426,493,260.20, 15,639,739,890.30 and 7,120,505,087.40 is: 10,680,757,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426,493,260.20 : 15,639,739,890.30 = 7,120,505,087.40 : x
  2. Step 2: Convert to fraction form
    10,426,493,260.20/15,639,739,890.30 = 7,120,505,087.40/x
  3. Step 3: Cross multiply
    10,426,493,260.20x = 15,639,739,890.30 × 7,120,505,087.40
  4. Step 4: Simplify right side
    10,426,493,260.20x = 111,362,847,454,493,851,648
  5. Step 5: Solve for x
    x = 111,362,847,454,493,851,648/10,426,493,260.20
  6. Step 6: Final answer
    x = 10,680,757,631.10

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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.