Home / 974,362,571.88-1,344,618,910.44-528,325,124.64

Finding the Fourth Proportional to 974,362,571.88, 1,344,618,910.44 and 528,325,124.64

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Solution

The fourth proportional to 974,362,571.88, 1,344,618,910.44 and 528,325,124.64 is: 729,087,891.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,362,571.88 : 1,344,618,910.44 = 528,325,124.64 : x
  2. Step 2: Convert to fraction form
    974,362,571.88/1,344,618,910.44 = 528,325,124.64/x
  3. Step 3: Cross multiply
    974,362,571.88x = 1,344,618,910.44 × 528,325,124.64
  4. Step 4: Simplify right side
    974,362,571.88x = 710,395,953,451,513,984
  5. Step 5: Solve for x
    x = 710,395,953,451,513,984/974,362,571.88
  6. Step 6: Final answer
    x = 729,087,891.87

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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.