Finding the Fourth Proportional to 1,526,192,361.96, 2,106,602,188.04 and 891,284,117.10
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Solution
The fourth proportional to 1,526,192,361.96, 2,106,602,188.04 and 891,284,117.10 is: 1,230,238,807.40
Step by Step Solution
- Step 1: Write the proportion equation
1,526,192,361.96 : 2,106,602,188.04 = 891,284,117.10 : x - Step 2: Convert to fraction form
1,526,192,361.96/2,106,602,188.04 = 891,284,117.10/x - Step 3: Cross multiply
1,526,192,361.96x = 2,106,602,188.04 × 891,284,117.10 - Step 4: Simplify right side
1,526,192,361.96x = 1,877,581,071,248,159,488 - Step 5: Solve for x
x = 1,877,581,071,248,159,488/1,526,192,361.96 - Step 6: Final answer
x = 1,230,238,807.40
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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.