Finding the Fourth Proportional to 650,303,855.93, 897,420,209.87 and 352,946,102.68
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Solution
The fourth proportional to 650,303,855.93, 897,420,209.87 and 352,946,102.68 is: 487,066,104.03
Step by Step Solution
- Step 1: Write the proportion equation
650,303,855.93 : 897,420,209.87 = 352,946,102.68 : x - Step 2: Convert to fraction form
650,303,855.93/897,420,209.87 = 352,946,102.68/x - Step 3: Cross multiply
650,303,855.93x = 897,420,209.87 × 352,946,102.68 - Step 4: Simplify right side
650,303,855.93x = 316,740,965,541,888,256 - Step 5: Solve for x
x = 316,740,965,541,888,256/650,303,855.93 - Step 6: Final answer
x = 487,066,104.03
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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.