Finding the Fourth Proportional to 756,717,306.14, 1,044,269,420.56 and 409,036,794.14
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Solution
The fourth proportional to 756,717,306.14, 1,044,269,420.56 and 409,036,794.14 is: 564,470,526.23
Step by Step Solution
- Step 1: Write the proportion equation
756,717,306.14 : 1,044,269,420.56 = 409,036,794.14 : x - Step 2: Convert to fraction form
756,717,306.14/1,044,269,420.56 = 409,036,794.14/x - Step 3: Cross multiply
756,717,306.14x = 1,044,269,420.56 × 409,036,794.14 - Step 4: Simplify right side
756,717,306.14x = 427,144,616,004,297,792 - Step 5: Solve for x
x = 427,144,616,004,297,792/756,717,306.14 - Step 6: Final answer
x = 564,470,526.23
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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.