Finding the Fourth Proportional to 11,397,008,466.61, 15,727,873,176.38 and 6,316,700,390.19
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Solution
The fourth proportional to 11,397,008,466.61, 15,727,873,176.38 and 6,316,700,390.19 is: 8,717,047,365.65
Step by Step Solution
- Step 1: Write the proportion equation
11,397,008,466.61 : 15,727,873,176.38 = 6,316,700,390.19 : x - Step 2: Convert to fraction form
11,397,008,466.61/15,727,873,176.38 = 6,316,700,390.19/x - Step 3: Cross multiply
11,397,008,466.61x = 15,727,873,176.38 × 6,316,700,390.19 - Step 4: Simplify right side
11,397,008,466.61x = 99,348,262,630,111,002,624 - Step 5: Solve for x
x = 99,348,262,630,111,002,624/11,397,008,466.61 - Step 6: Final answer
x = 8,717,047,365.65
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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.