Finding the Fourth Proportional to 302,768,654.49, 417,820,903.29 and 163,539,415.98
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Solution
The fourth proportional to 302,768,654.49, 417,820,903.29 and 163,539,415.98 is: 225,684,480.53
Step by Step Solution
- Step 1: Write the proportion equation
302,768,654.49 : 417,820,903.29 = 163,539,415.98 : x - Step 2: Convert to fraction form
302,768,654.49/417,820,903.29 = 163,539,415.98/x - Step 3: Cross multiply
302,768,654.49x = 417,820,903.29 × 163,539,415.98 - Step 4: Simplify right side
302,768,654.49x = 68,330,186,508,282,656 - Step 5: Solve for x
x = 68,330,186,508,282,656/302,768,654.49 - Step 6: Final answer
x = 225,684,480.53
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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.