Finding the Fourth Proportional to 1,771,476,988.20, 2,657,215,482.30 and 1,312,311,964.20
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Solution
The fourth proportional to 1,771,476,988.20, 2,657,215,482.30 and 1,312,311,964.20 is: 1,968,467,946.30
Step by Step Solution
- Step 1: Write the proportion equation
1,771,476,988.20 : 2,657,215,482.30 = 1,312,311,964.20 : x - Step 2: Convert to fraction form
1,771,476,988.20/2,657,215,482.30 = 1,312,311,964.20/x - Step 3: Cross multiply
1,771,476,988.20x = 2,657,215,482.30 × 1,312,311,964.20 - Step 4: Simplify right side
1,771,476,988.20x = 3,487,095,668,879,763,456 - Step 5: Solve for x
x = 3,487,095,668,879,763,456/1,771,476,988.20 - Step 6: Final answer
x = 1,968,467,946.30
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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.