Finding the Fourth Proportional to 1,918,587,677.80, 2,877,881,516.70 and 1,102,294,301.80
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Solution
The fourth proportional to 1,918,587,677.80, 2,877,881,516.70 and 1,102,294,301.80 is: 1,653,441,452.70
Step by Step Solution
- Step 1: Write the proportion equation
1,918,587,677.80 : 2,877,881,516.70 = 1,102,294,301.80 : x - Step 2: Convert to fraction form
1,918,587,677.80/2,877,881,516.70 = 1,102,294,301.80/x - Step 3: Cross multiply
1,918,587,677.80x = 2,877,881,516.70 × 1,102,294,301.80 - Step 4: Simplify right side
1,918,587,677.80x = 3,172,272,397,113,951,232 - Step 5: Solve for x
x = 3,172,272,397,113,951,232/1,918,587,677.80 - Step 6: Final answer
x = 1,653,441,452.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.