Finding the Fourth Proportional to 6,937,323,418.51, 9,573,258,615.95 and 3,926,511,477.48
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Solution
The fourth proportional to 6,937,323,418.51, 9,573,258,615.95 and 3,926,511,477.48 is: 5,418,445,640.31
Step by Step Solution
- Step 1: Write the proportion equation
6,937,323,418.51 : 9,573,258,615.95 = 3,926,511,477.48 : x - Step 2: Convert to fraction form
6,937,323,418.51/9,573,258,615.95 = 3,926,511,477.48/x - Step 3: Cross multiply
6,937,323,418.51x = 9,573,258,615.95 × 3,926,511,477.48 - Step 4: Simplify right side
6,937,323,418.51x = 37,589,509,832,437,579,776 - Step 5: Solve for x
x = 37,589,509,832,437,579,776/6,937,323,418.51 - Step 6: Final answer
x = 5,418,445,640.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.