Home / 1,105,199,529.36-1,525,863,662.82-703,539,909.12

Finding the Fourth Proportional to 1,105,199,529.36, 1,525,863,662.82 and 703,539,909.12

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Solution

The fourth proportional to 1,105,199,529.36, 1,525,863,662.82 and 703,539,909.12 is: 971,323,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,199,529.36 : 1,525,863,662.82 = 703,539,909.12 : x
  2. Step 2: Convert to fraction form
    1,105,199,529.36/1,525,863,662.82 = 703,539,909.12/x
  3. Step 3: Cross multiply
    1,105,199,529.36x = 1,525,863,662.82 × 703,539,909.12
  4. Step 4: Simplify right side
    1,105,199,529.36x = 1,073,505,982,669,893,120
  5. Step 5: Solve for x
    x = 1,073,505,982,669,893,120/1,105,199,529.36
  6. Step 6: Final answer
    x = 971,323,235.44

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Double scale
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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.