Finding the Fourth Proportional to 758,646,231.90, 1,137,402,477.45 and 413,989,028.70
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Solution
The fourth proportional to 758,646,231.90, 1,137,402,477.45 and 413,989,028.70 is: 620,674,205.03
Step by Step Solution
- Step 1: Write the proportion equation
758,646,231.90 : 1,137,402,477.45 = 413,989,028.70 : x - Step 2: Convert to fraction form
758,646,231.90/1,137,402,477.45 = 413,989,028.70/x - Step 3: Cross multiply
758,646,231.90x = 1,137,402,477.45 × 413,989,028.70 - Step 4: Simplify right side
758,646,231.90x = 470,872,146,880,499,136 - Step 5: Solve for x
x = 470,872,146,880,499,136/758,646,231.90 - Step 6: Final answer
x = 620,674,205.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.