Finding the Fourth Proportional to 6,943,215,259.91, 9,582,431,925.71 and 3,892,215,583.79
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Solution
The fourth proportional to 6,943,215,259.91, 9,582,431,925.71 and 3,892,215,583.79 is: 5,371,703,090.82
Step by Step Solution
- Step 1: Write the proportion equation
6,943,215,259.91 : 9,582,431,925.71 = 3,892,215,583.79 : x - Step 2: Convert to fraction form
6,943,215,259.91/9,582,431,925.71 = 3,892,215,583.79/x - Step 3: Cross multiply
6,943,215,259.91x = 9,582,431,925.71 × 3,892,215,583.79 - Step 4: Simplify right side
6,943,215,259.91x = 37,296,890,871,908,343,808 - Step 5: Solve for x
x = 37,296,890,871,908,343,808/6,943,215,259.91 - Step 6: Final answer
x = 5,371,703,090.82
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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.