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Finding the Fourth Proportional to 958,725,509.11, 1,323,954,950.60 and 906,494,740.30

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Solution

The fourth proportional to 958,725,509.11, 1,323,954,950.60 and 906,494,740.30 is: 1,251,826,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,725,509.11 : 1,323,954,950.60 = 906,494,740.30 : x
  2. Step 2: Convert to fraction form
    958,725,509.11/1,323,954,950.60 = 906,494,740.30/x
  3. Step 3: Cross multiply
    958,725,509.11x = 1,323,954,950.60 × 906,494,740.30
  4. Step 4: Simplify right side
    958,725,509.11x = 1,200,158,199,113,046,272
  5. Step 5: Solve for x
    x = 1,200,158,199,113,046,272/958,725,509.11
  6. Step 6: Final answer
    x = 1,251,826,709.22

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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.