Finding the Fourth Proportional to 2,990,724,450.88, 4,486,862,320.66 and 1,590,557,358.52
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Solution
The fourth proportional to 2,990,724,450.88, 4,486,862,320.66 and 1,590,557,358.52 is: 2,386,248,548.81
Step by Step Solution
- Step 1: Write the proportion equation
2,990,724,450.88 : 4,486,862,320.66 = 1,590,557,358.52 : x - Step 2: Convert to fraction form
2,990,724,450.88/4,486,862,320.66 = 1,590,557,358.52/x - Step 3: Cross multiply
2,990,724,450.88x = 4,486,862,320.66 × 1,590,557,358.52 - Step 4: Simplify right side
2,990,724,450.88x = 7,136,611,880,791,886,848 - Step 5: Solve for x
x = 7,136,611,880,791,886,848/2,990,724,450.88 - Step 6: Final answer
x = 2,386,248,548.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.