Finding the Fourth Proportional to 1,119,674,494.41, 1,545,151,467.04 and 624,637,202.91
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Solution
The fourth proportional to 1,119,674,494.41, 1,545,151,467.04 and 624,637,202.91 is: 861,999,710.86
Step by Step Solution
- Step 1: Write the proportion equation
1,119,674,494.41 : 1,545,151,467.04 = 624,637,202.91 : x - Step 2: Convert to fraction form
1,119,674,494.41/1,545,151,467.04 = 624,637,202.91/x - Step 3: Cross multiply
1,119,674,494.41x = 1,545,151,467.04 × 624,637,202.91 - Step 4: Simplify right side
1,119,674,494.41x = 965,159,090,436,792,704 - Step 5: Solve for x
x = 965,159,090,436,792,704/1,119,674,494.41 - Step 6: Final answer
x = 861,999,710.86
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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.