Finding the Fourth Proportional to 5,199,510,929.16, 7,175,325,082.04 and 2,971,890,947.08
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Solution
The fourth proportional to 5,199,510,929.16, 7,175,325,082.04 and 2,971,890,947.08 is: 4,101,209,506.86
Step by Step Solution
- Step 1: Write the proportion equation
5,199,510,929.16 : 7,175,325,082.04 = 2,971,890,947.08 : x - Step 2: Convert to fraction form
5,199,510,929.16/7,175,325,082.04 = 2,971,890,947.08/x - Step 3: Cross multiply
5,199,510,929.16x = 7,175,325,082.04 × 2,971,890,947.08 - Step 4: Simplify right side
5,199,510,929.16x = 21,324,283,653,670,731,776 - Step 5: Solve for x
x = 21,324,283,653,670,731,776/5,199,510,929.16 - Step 6: Final answer
x = 4,101,209,506.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.