Finding the Fourth Proportional to 1,252,698,775.96, 1,879,290,135.14 and 476,284,068.60
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Solution
The fourth proportional to 1,252,698,775.96, 1,879,290,135.14 and 476,284,068.60 is: 714,518,101.89
Step by Step Solution
- Step 1: Write the proportion equation
1,252,698,775.96 : 1,879,290,135.14 = 476,284,068.60 : x - Step 2: Convert to fraction form
1,252,698,775.96/1,879,290,135.14 = 476,284,068.60/x - Step 3: Cross multiply
1,252,698,775.96x = 1,879,290,135.14 × 476,284,068.60 - Step 4: Simplify right side
1,252,698,775.96x = 895,075,951,644,323,072 - Step 5: Solve for x
x = 895,075,951,644,323,072/1,252,698,775.96 - Step 6: Final answer
x = 714,518,101.89
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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.