Finding the Fourth Proportional to 1,248,493,586.84, 1,721,540,752.80 and 795,654,554.44
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Solution
The fourth proportional to 1,248,493,586.84, 1,721,540,752.80 and 795,654,554.44 is: 1,097,123,569.60
Step by Step Solution
- Step 1: Write the proportion equation
1,248,493,586.84 : 1,721,540,752.80 = 795,654,554.44 : x - Step 2: Convert to fraction form
1,248,493,586.84/1,721,540,752.80 = 795,654,554.44/x - Step 3: Cross multiply
1,248,493,586.84x = 1,721,540,752.80 × 795,654,554.44 - Step 4: Simplify right side
1,248,493,586.84x = 1,369,751,740,619,386,368 - Step 5: Solve for x
x = 1,369,751,740,619,386,368/1,248,493,586.84 - Step 6: Final answer
x = 1,097,123,569.60
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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.