Finding the Fourth Proportional to 6,389,971,009.18, 8,819,035,989.93 and 3,677,183,062.48
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Solution
The fourth proportional to 6,389,971,009.18, 8,819,035,989.93 and 3,677,183,062.48 is: 5,075,016,729.02
Step by Step Solution
- Step 1: Write the proportion equation
6,389,971,009.18 : 8,819,035,989.93 = 3,677,183,062.48 : x - Step 2: Convert to fraction form
6,389,971,009.18/8,819,035,989.93 = 3,677,183,062.48/x - Step 3: Cross multiply
6,389,971,009.18x = 8,819,035,989.93 × 3,677,183,062.48 - Step 4: Simplify right side
6,389,971,009.18x = 32,429,209,769,572,139,008 - Step 5: Solve for x
x = 32,429,209,769,572,139,008/6,389,971,009.18 - Step 6: Final answer
x = 5,075,016,729.02
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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.