Finding the Fourth Proportional to 346,389,369.29, 478,013,520.06 and 187,615,542.18
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Solution
The fourth proportional to 346,389,369.29, 478,013,520.06 and 187,615,542.18 is: 258,907,384.83
Step by Step Solution
- Step 1: Write the proportion equation
346,389,369.29 : 478,013,520.06 = 187,615,542.18 : x - Step 2: Convert to fraction form
346,389,369.29/478,013,520.06 = 187,615,542.18/x - Step 3: Cross multiply
346,389,369.29x = 478,013,520.06 × 187,615,542.18 - Step 4: Simplify right side
346,389,369.29x = 89,682,765,735,427,216 - Step 5: Solve for x
x = 89,682,765,735,427,216/346,389,369.29 - Step 6: Final answer
x = 258,907,384.83
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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.