Finding the Fourth Proportional to 1,643,460,764.04, 2,267,733,710.04 and 999,388,126.80
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Solution
The fourth proportional to 1,643,460,764.04, 2,267,733,710.04 and 999,388,126.80 is: 1,379,008,367.07
Step by Step Solution
- Step 1: Write the proportion equation
1,643,460,764.04 : 2,267,733,710.04 = 999,388,126.80 : x - Step 2: Convert to fraction form
1,643,460,764.04/2,267,733,710.04 = 999,388,126.80/x - Step 3: Cross multiply
1,643,460,764.04x = 2,267,733,710.04 × 999,388,126.80 - Step 4: Simplify right side
1,643,460,764.04x = 2,266,346,144,558,089,728 - Step 5: Solve for x
x = 2,266,346,144,558,089,728/1,643,460,764.04 - Step 6: Final answer
x = 1,379,008,367.07
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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.