Finding the Fourth Proportional to 1,881,104,063.12, 2,592,095,244.36 and 1,455,129,864.80
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Solution
The fourth proportional to 1,881,104,063.12, 2,592,095,244.36 and 1,455,129,864.80 is: 2,005,117,779.72
Step by Step Solution
- Step 1: Write the proportion equation
1,881,104,063.12 : 2,592,095,244.36 = 1,455,129,864.80 : x - Step 2: Convert to fraction form
1,881,104,063.12/2,592,095,244.36 = 1,455,129,864.80/x - Step 3: Cross multiply
1,881,104,063.12x = 2,592,095,244.36 × 1,455,129,864.80 - Step 4: Simplify right side
1,881,104,063.12x = 3,771,835,202,474,289,664 - Step 5: Solve for x
x = 3,771,835,202,474,289,664/1,881,104,063.12 - Step 6: Final answer
x = 2,005,117,779.72
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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.