Finding the Fourth Proportional to 1,224,881,764,375.40, 1,690,328,235,897.80 and 668,686,891,276.65
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Solution
The fourth proportional to 1,224,881,764,375.40, 1,690,328,235,897.80 and 668,686,891,276.65 is: 922,783,215,632.26
Step by Step Solution
- Step 1: Write the proportion equation
1,224,881,764,375.40 : 1,690,328,235,897.80 = 668,686,891,276.65 : x - Step 2: Convert to fraction form
1,224,881,764,375.40/1,690,328,235,897.80 = 668,686,891,276.65/x - Step 3: Cross multiply
1,224,881,764,375.40x = 1,690,328,235,897.80 × 668,686,891,276.65 - Step 4: Simplify right side
1,224,881,764,375.40x = 1,130,300,333,299,643,801,665,536 - Step 5: Solve for x
x = 1,130,300,333,299,643,801,665,536/1,224,881,764,375.40 - Step 6: Final answer
x = 922,783,215,632.26
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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.