Finding the Fourth Proportional to 694,112,620.64, 957,877,235.40 and 376,572,850.08
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Solution
The fourth proportional to 694,112,620.64, 957,877,235.40 and 376,572,850.08 is: 519,671,519.92
Step by Step Solution
- Step 1: Write the proportion equation
694,112,620.64 : 957,877,235.40 = 376,572,850.08 : x - Step 2: Convert to fraction form
694,112,620.64/957,877,235.40 = 376,572,850.08/x - Step 3: Cross multiply
694,112,620.64x = 957,877,235.40 × 376,572,850.08 - Step 4: Simplify right side
694,112,620.64x = 360,710,560,561,329,024 - Step 5: Solve for x
x = 360,710,560,561,329,024/694,112,620.64 - Step 6: Final answer
x = 519,671,519.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.