Finding the Fourth Proportional to 4,374,339,360.15, 6,561,907,719.35 and 1,425,862,176.87
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Solution
The fourth proportional to 4,374,339,360.15, 6,561,907,719.35 and 1,425,862,176.87 is: 2,138,923,218.98
Step by Step Solution
- Step 1: Write the proportion equation
4,374,339,360.15 : 6,561,907,719.35 = 1,425,862,176.87 : x - Step 2: Convert to fraction form
4,374,339,360.15/6,561,907,719.35 = 1,425,862,176.87/x - Step 3: Cross multiply
4,374,339,360.15x = 6,561,907,719.35 × 1,425,862,176.87 - Step 4: Simplify right side
4,374,339,360.15x = 9,356,376,025,125,318,656 - Step 5: Solve for x
x = 9,356,376,025,125,318,656/4,374,339,360.15 - Step 6: Final answer
x = 2,138,923,218.98
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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.