Home / 945,290,914.49-1,303,288,873.88-775,118,170.34

Finding the Fourth Proportional to 945,290,914.49, 1,303,288,873.88 and 775,118,170.34

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Solution

The fourth proportional to 945,290,914.49, 1,303,288,873.88 and 775,118,170.34 is: 1,068,668,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,290,914.49 : 1,303,288,873.88 = 775,118,170.34 : x
  2. Step 2: Convert to fraction form
    945,290,914.49/1,303,288,873.88 = 775,118,170.34/x
  3. Step 3: Cross multiply
    945,290,914.49x = 1,303,288,873.88 × 775,118,170.34
  4. Step 4: Simplify right side
    945,290,914.49x = 1,010,202,887,346,344,704
  5. Step 5: Solve for x
    x = 1,010,202,887,346,344,704/945,290,914.49
  6. Step 6: Final answer
    x = 1,068,668,778.96

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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.