Finding the Fourth Proportional to 758,646,217.90, 1,137,402,456.45 and 413,989,014.70
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Solution
The fourth proportional to 758,646,217.90, 1,137,402,456.45 and 413,989,014.70 is: 620,674,184.03
Step by Step Solution
- Step 1: Write the proportion equation
758,646,217.90 : 1,137,402,456.45 = 413,989,014.70 : x - Step 2: Convert to fraction form
758,646,217.90/1,137,402,456.45 = 413,989,014.70/x - Step 3: Cross multiply
758,646,217.90x = 1,137,402,456.45 × 413,989,014.70 - Step 4: Simplify right side
758,646,217.90x = 470,872,122,263,095,168 - Step 5: Solve for x
x = 470,872,122,263,095,168/758,646,217.90 - Step 6: Final answer
x = 620,674,184.03
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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.