Finding the Fourth Proportional to 259,230,365,269.45, 357,730,137,824.04 and 143,491,868,976.58
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Solution
The fourth proportional to 259,230,365,269.45, 357,730,137,824.04 and 143,491,868,976.58 is: 198,014,480,333.99
Step by Step Solution
- Step 1: Write the proportion equation
259,230,365,269.45 : 357,730,137,824.04 = 143,491,868,976.58 : x - Step 2: Convert to fraction form
259,230,365,269.45/357,730,137,824.04 = 143,491,868,976.58/x - Step 3: Cross multiply
259,230,365,269.45x = 357,730,137,824.04 × 143,491,868,976.58 - Step 4: Simplify right side
259,230,365,269.45x = 51,331,366,065,621,044,297,728 - Step 5: Solve for x
x = 51,331,366,065,621,044,297,728/259,230,365,269.45 - Step 6: Final answer
x = 198,014,480,333.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.