Home / 1,048,163,087.64-1,572,187,944.42-321,153,899.16

Finding the Fourth Proportional to 1,048,163,087.64, 1,572,187,944.42 and 321,153,899.16

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Solution

The fourth proportional to 1,048,163,087.64, 1,572,187,944.42 and 321,153,899.16 is: 481,713,480.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,163,087.64 : 1,572,187,944.42 = 321,153,899.16 : x
  2. Step 2: Convert to fraction form
    1,048,163,087.64/1,572,187,944.42 = 321,153,899.16/x
  3. Step 3: Cross multiply
    1,048,163,087.64x = 1,572,187,944.42 × 321,153,899.16
  4. Step 4: Simplify right side
    1,048,163,087.64x = 504,914,288,562,828,416
  5. Step 5: Solve for x
    x = 504,914,288,562,828,416/1,048,163,087.64
  6. Step 6: Final answer
    x = 481,713,480.01

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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.