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Finding the Fourth Proportional to 887,265,529.22, 1,218,014,690.52 and 761,599,558.22

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Solution

The fourth proportional to 887,265,529.22, 1,218,014,690.52 and 761,599,558.22 is: 1,045,503,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,265,529.22 : 1,218,014,690.52 = 761,599,558.22 : x
  2. Step 2: Convert to fraction form
    887,265,529.22/1,218,014,690.52 = 761,599,558.22/x
  3. Step 3: Cross multiply
    887,265,529.22x = 1,218,014,690.52 × 761,599,558.22
  4. Step 4: Simplify right side
    887,265,529.22x = 927,639,450,205,502,080
  5. Step 5: Solve for x
    x = 927,639,450,205,502,080/887,265,529.22
  6. Step 6: Final answer
    x = 1,045,503,763.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.