Finding the Fourth Proportional to 302,660,186.80, 453,990,280.20 and 229,480,761.10
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Solution
The fourth proportional to 302,660,186.80, 453,990,280.20 and 229,480,761.10 is: 344,221,141.65
Step by Step Solution
- Step 1: Write the proportion equation
302,660,186.80 : 453,990,280.20 = 229,480,761.10 : x - Step 2: Convert to fraction form
302,660,186.80/453,990,280.20 = 229,480,761.10/x - Step 3: Cross multiply
302,660,186.80x = 453,990,280.20 × 229,480,761.10 - Step 4: Simplify right side
302,660,186.80x = 104,182,035,032,298,256 - Step 5: Solve for x
x = 104,182,035,032,298,256/302,660,186.80 - Step 6: Final answer
x = 344,221,141.65
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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.