Finding the Fourth Proportional to 1,994,031,444.96, 2,988,373,570.88 and 1,551,908,012.18
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Solution
The fourth proportional to 1,994,031,444.96, 2,988,373,570.88 and 1,551,908,012.18 is: 2,325,781,220.62
Step by Step Solution
- Step 1: Write the proportion equation
1,994,031,444.96 : 2,988,373,570.88 = 1,551,908,012.18 : x - Step 2: Convert to fraction form
1,994,031,444.96/2,988,373,570.88 = 1,551,908,012.18/x - Step 3: Cross multiply
1,994,031,444.96x = 2,988,373,570.88 × 1,551,908,012.18 - Step 4: Simplify right side
1,994,031,444.96x = 4,637,680,888,012,928,000 - Step 5: Solve for x
x = 4,637,680,888,012,928,000/1,994,031,444.96 - Step 6: Final answer
x = 2,325,781,220.62
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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.