Finding the Fourth Proportional to 1,306,658,693.34, 1,802,802,166.20 and 777,598,549.02
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Solution
The fourth proportional to 1,306,658,693.34, 1,802,802,166.20 and 777,598,549.02 is: 1,072,855,792.99
Step by Step Solution
- Step 1: Write the proportion equation
1,306,658,693.34 : 1,802,802,166.20 = 777,598,549.02 : x - Step 2: Convert to fraction form
1,306,658,693.34/1,802,802,166.20 = 777,598,549.02/x - Step 3: Cross multiply
1,306,658,693.34x = 1,802,802,166.20 × 777,598,549.02 - Step 4: Simplify right side
1,306,658,693.34x = 1,401,856,348,607,232,768 - Step 5: Solve for x
x = 1,401,856,348,607,232,768/1,306,658,693.34 - Step 6: Final answer
x = 1,072,855,792.99
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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.