Finding the Fourth Proportional to 42,125,158,554.93, 63,209,462,149.05 and 19,743,180,759.63
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Solution
The fourth proportional to 42,125,158,554.93, 63,209,462,149.05 and 19,743,180,759.63 is: 29,624,952,872.29
Step by Step Solution
- Step 1: Write the proportion equation
42,125,158,554.93 : 63,209,462,149.05 = 19,743,180,759.63 : x - Step 2: Convert to fraction form
42,125,158,554.93/63,209,462,149.05 = 19,743,180,759.63/x - Step 3: Cross multiply
42,125,158,554.93x = 63,209,462,149.05 × 19,743,180,759.63 - Step 4: Simplify right side
42,125,158,554.93x = 1,247,955,836,927,684,902,912 - Step 5: Solve for x
x = 1,247,955,836,927,684,902,912/42,125,158,554.93 - Step 6: Final answer
x = 29,624,952,872.29
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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.