Home / 70,364,544,145.20-105,485,594,214.60-42,386,088,682.80

Finding the Fourth Proportional to 70,364,544,145.20, 105,485,594,214.60 and 42,386,088,682.80

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Solution

The fourth proportional to 70,364,544,145.20, 105,485,594,214.60 and 42,386,088,682.80 is: 63,542,254,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,364,544,145.20 : 105,485,594,214.60 = 42,386,088,682.80 : x
  2. Step 2: Convert to fraction form
    70,364,544,145.20/105,485,594,214.60 = 42,386,088,682.80/x
  3. Step 3: Cross multiply
    70,364,544,145.20x = 105,485,594,214.60 × 42,386,088,682.80
  4. Step 4: Simplify right side
    70,364,544,145.20x = 4,471,121,751,137,890,861,056
  5. Step 5: Solve for x
    x = 4,471,121,751,137,890,861,056/70,364,544,145.20
  6. Step 6: Final answer
    x = 63,542,254,205.63

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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.