Finding the Fourth Proportional to 1,609,088,701.20, 2,413,633,051.80 and 1,390,985,314.80
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Solution
The fourth proportional to 1,609,088,701.20, 2,413,633,051.80 and 1,390,985,314.80 is: 2,086,477,972.20
Step by Step Solution
- Step 1: Write the proportion equation
1,609,088,701.20 : 2,413,633,051.80 = 1,390,985,314.80 : x - Step 2: Convert to fraction form
1,609,088,701.20/2,413,633,051.80 = 1,390,985,314.80/x - Step 3: Cross multiply
1,609,088,701.20x = 2,413,633,051.80 × 1,390,985,314.80 - Step 4: Simplify right side
1,609,088,701.20x = 3,357,328,130,369,708,032 - Step 5: Solve for x
x = 3,357,328,130,369,708,032/1,609,088,701.20 - Step 6: Final answer
x = 2,086,477,972.20
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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.