Finding the Fourth Proportional to 1,762,776,065.80, 2,644,164,098.70 and 613,918,721.80
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Solution
The fourth proportional to 1,762,776,065.80, 2,644,164,098.70 and 613,918,721.80 is: 920,878,082.70
Step by Step Solution
- Step 1: Write the proportion equation
1,762,776,065.80 : 2,644,164,098.70 = 613,918,721.80 : x - Step 2: Convert to fraction form
1,762,776,065.80/2,644,164,098.70 = 613,918,721.80/x - Step 3: Cross multiply
1,762,776,065.80x = 2,644,164,098.70 × 613,918,721.80 - Step 4: Simplify right side
1,762,776,065.80x = 1,623,301,843,703,352,832 - Step 5: Solve for x
x = 1,623,301,843,703,352,832/1,762,776,065.80 - Step 6: Final answer
x = 920,878,082.70
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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.