Finding the Fourth Proportional to 926,017,661.48, 1,388,733,833.82 and 304,130,432.84
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Solution
The fourth proportional to 926,017,661.48, 1,388,733,833.82 and 304,130,432.84 is: 456,099,531.95
Step by Step Solution
- Step 1: Write the proportion equation
926,017,661.48 : 1,388,733,833.82 = 304,130,432.84 : x - Step 2: Convert to fraction form
926,017,661.48/1,388,733,833.82 = 304,130,432.84/x - Step 3: Cross multiply
926,017,661.48x = 1,388,733,833.82 × 304,130,432.84 - Step 4: Simplify right side
926,017,661.48x = 422,356,221,979,229,184 - Step 5: Solve for x
x = 422,356,221,979,229,184/926,017,661.48 - Step 6: Final answer
x = 456,099,531.95
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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.