Finding the Fourth Proportional to 1,352,587,746,053.80, 1,866,572,290,295.90 and 743,609,419,013.84
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Solution
The fourth proportional to 1,352,587,746,053.80, 1,866,572,290,295.90 and 743,609,419,013.84 is: 1,026,181,658,368.40
Step by Step Solution
- Step 1: Write the proportion equation
1,352,587,746,053.80 : 1,866,572,290,295.90 = 743,609,419,013.84 : x - Step 2: Convert to fraction form
1,352,587,746,053.80/1,866,572,290,295.90 = 743,609,419,013.84/x - Step 3: Cross multiply
1,352,587,746,053.80x = 1,866,572,290,295.90 × 743,609,419,013.84 - Step 4: Simplify right side
1,352,587,746,053.80x = 1,388,000,736,334,266,731,855,872 - Step 5: Solve for x
x = 1,388,000,736,334,266,731,855,872/1,352,587,746,053.80 - Step 6: Final answer
x = 1,026,181,658,368.40
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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.