Finding the Fourth Proportional to 6,218,771,341.80, 9,328,157,012.70 and 1,623,341,965.80
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Solution
The fourth proportional to 6,218,771,341.80, 9,328,157,012.70 and 1,623,341,965.80 is: 2,435,012,948.70
Step by Step Solution
- Step 1: Write the proportion equation
6,218,771,341.80 : 9,328,157,012.70 = 1,623,341,965.80 : x - Step 2: Convert to fraction form
6,218,771,341.80/9,328,157,012.70 = 1,623,341,965.80/x - Step 3: Cross multiply
6,218,771,341.80x = 9,328,157,012.70 × 1,623,341,965.80 - Step 4: Simplify right side
6,218,771,341.80x = 15,142,788,742,287,474,688 - Step 5: Solve for x
x = 15,142,788,742,287,474,688/6,218,771,341.80 - Step 6: Final answer
x = 2,435,012,948.70
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1.5x scale
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.