Home / 1,014,238,529.39-1,519,171,208.40-684,903,065.47

Finding the Fourth Proportional to 1,014,238,529.39, 1,519,171,208.40 and 684,903,065.47

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Solution

The fourth proportional to 1,014,238,529.39, 1,519,171,208.40 and 684,903,065.47 is: 1,025,878,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,238,529.39 : 1,519,171,208.40 = 684,903,065.47 : x
  2. Step 2: Convert to fraction form
    1,014,238,529.39/1,519,171,208.40 = 684,903,065.47/x
  3. Step 3: Cross multiply
    1,014,238,529.39x = 1,519,171,208.40 × 684,903,065.47
  4. Step 4: Simplify right side
    1,014,238,529.39x = 1,040,485,017,605,660,416
  5. Step 5: Solve for x
    x = 1,040,485,017,605,660,416/1,014,238,529.39
  6. Step 6: Final answer
    x = 1,025,878,023.22

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Double scale
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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.