Finding the Fourth Proportional to 1,918,919,965,599.30, 2,878,379,773,611.40 and 844,475,886,044.44
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Solution
The fourth proportional to 1,918,919,965,599.30, 2,878,379,773,611.40 and 844,475,886,044.44 is: 1,266,713,752,146.37
Step by Step Solution
- Step 1: Write the proportion equation
1,918,919,965,599.30 : 2,878,379,773,611.40 = 844,475,886,044.44 : x - Step 2: Convert to fraction form
1,918,919,965,599.30/2,878,379,773,611.40 = 844,475,886,044.44/x - Step 3: Cross multiply
1,918,919,965,599.30x = 2,878,379,773,611.40 × 844,475,886,044.44 - Step 4: Simplify right side
1,918,919,965,599.30x = 2,430,722,309,692,881,599,725,568 - Step 5: Solve for x
x = 2,430,722,309,692,881,599,725,568/1,918,919,965,599.30 - Step 6: Final answer
x = 1,266,713,752,146.37
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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.