Finding the Fourth Proportional to 295,285,936.41, 442,513,051.95 and 225,930,228.75
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Solution
The fourth proportional to 295,285,936.41, 442,513,051.95 and 225,930,228.75 is: 338,577,164.45
Step by Step Solution
- Step 1: Write the proportion equation
295,285,936.41 : 442,513,051.95 = 225,930,228.75 : x - Step 2: Convert to fraction form
295,285,936.41/442,513,051.95 = 225,930,228.75/x - Step 3: Cross multiply
295,285,936.41x = 442,513,051.95 × 225,930,228.75 - Step 4: Simplify right side
295,285,936.41x = 99,977,075,051,924,128 - Step 5: Solve for x
x = 99,977,075,051,924,128/295,285,936.41 - Step 6: Final answer
x = 338,577,164.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.