Finding the Fourth Proportional to 190,348,643,585.58, 285,462,389,262.68 and 62,839,593,981.99
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Solution
The fourth proportional to 190,348,643,585.58, 285,462,389,262.68 and 62,839,593,981.99 is: 94,239,393,044.75
Step by Step Solution
- Step 1: Write the proportion equation
190,348,643,585.58 : 285,462,389,262.68 = 62,839,593,981.99 : x - Step 2: Convert to fraction form
190,348,643,585.58/285,462,389,262.68 = 62,839,593,981.99/x - Step 3: Cross multiply
190,348,643,585.58x = 285,462,389,262.68 × 62,839,593,981.99 - Step 4: Simplify right side
190,348,643,585.58x = 17,938,340,638,395,591,557,120 - Step 5: Solve for x
x = 17,938,340,638,395,591,557,120/190,348,643,585.58 - Step 6: Final answer
x = 94,239,393,044.75
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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.