Finding the Fourth Proportional to 1,975,408,822.17, 2,961,929,916.63 and 628,737,297.68
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Solution
The fourth proportional to 1,975,408,822.17, 2,961,929,916.63 and 628,737,297.68 is: 942,729,318.00
Step by Step Solution
- Step 1: Write the proportion equation
1,975,408,822.17 : 2,961,929,916.63 = 628,737,297.68 : x - Step 2: Convert to fraction form
1,975,408,822.17/2,961,929,916.63 = 628,737,297.68/x - Step 3: Cross multiply
1,975,408,822.17x = 2,961,929,916.63 × 628,737,297.68 - Step 4: Simplify right side
1,975,408,822.17x = 1,862,275,811,696,678,400 - Step 5: Solve for x
x = 1,862,275,811,696,678,400/1,975,408,822.17 - Step 6: Final answer
x = 942,729,318.00
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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.