Finding the Fourth Proportional to 661,879,360.98, 913,382,375.30 and 364,549,292.18
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Solution
The fourth proportional to 661,879,360.98, 913,382,375.30 and 364,549,292.18 is: 503,071,885.96
Step by Step Solution
- Step 1: Write the proportion equation
661,879,360.98 : 913,382,375.30 = 364,549,292.18 : x - Step 2: Convert to fraction form
661,879,360.98/913,382,375.30 = 364,549,292.18/x - Step 3: Cross multiply
661,879,360.98x = 913,382,375.30 × 364,549,292.18 - Step 4: Simplify right side
661,879,360.98x = 332,972,898,405,302,080 - Step 5: Solve for x
x = 332,972,898,405,302,080/661,879,360.98 - Step 6: Final answer
x = 503,071,885.96
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1.5x scale
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.