Finding the Fourth Proportional to 1,669,943,838.64, 2,304,923,858.40 and 955,893,317.08
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Solution
The fourth proportional to 1,669,943,838.64, 2,304,923,858.40 and 955,893,317.08 is: 1,319,362,520.85
Step by Step Solution
- Step 1: Write the proportion equation
1,669,943,838.64 : 2,304,923,858.40 = 955,893,317.08 : x - Step 2: Convert to fraction form
1,669,943,838.64/2,304,923,858.40 = 955,893,317.08/x - Step 3: Cross multiply
1,669,943,838.64x = 2,304,923,858.40 × 955,893,317.08 - Step 4: Simplify right side
1,669,943,838.64x = 2,203,261,312,622,808,320 - Step 5: Solve for x
x = 2,203,261,312,622,808,320/1,669,943,838.64 - Step 6: Final answer
x = 1,319,362,520.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.