Finding the Fourth Proportional to 5,278,862,075.84, 7,919,312,776.16 and 2,007,056,888
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Solution
The fourth proportional to 5,278,862,075.84, 7,919,312,776.16 and 2,007,056,888 is: 3,010,973,014.12
Step by Step Solution
- Step 1: Write the proportion equation
5,278,862,075.84 : 7,919,312,776.16 = 2,007,056,888 : x - Step 2: Convert to fraction form
5,278,862,075.84/7,919,312,776.16 = 2,007,056,888/x - Step 3: Cross multiply
5,278,862,075.84x = 7,919,312,776.16 × 2,007,056,888 - Step 4: Simplify right side
5,278,862,075.84x = 15,894,511,255,618,330,624 - Step 5: Solve for x
x = 15,894,511,255,618,330,624/5,278,862,075.84 - Step 6: Final answer
x = 3,010,973,014.12
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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.