Finding the Fourth Proportional to 5,559,312,524.18, 8,338,961,744.16 and 1,418,756,140.94
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Solution
The fourth proportional to 5,559,312,524.18, 8,338,961,744.16 and 1,418,756,140.94 is: 2,128,132,414.24
Step by Step Solution
- Step 1: Write the proportion equation
5,559,312,524.18 : 8,338,961,744.16 = 1,418,756,140.94 : x - Step 2: Convert to fraction form
5,559,312,524.18/8,338,961,744.16 = 1,418,756,140.94/x - Step 3: Cross multiply
5,559,312,524.18x = 8,338,961,744.16 × 1,418,756,140.94 - Step 4: Simplify right side
5,559,312,524.18x = 11,830,953,183,590,733,824 - Step 5: Solve for x
x = 11,830,953,183,590,733,824/5,559,312,524.18 - Step 6: Final answer
x = 2,128,132,414.24
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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.