Finding the Fourth Proportional to 580,872,357.36, 801,583,492.91 and 316,548,956.70
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Solution
The fourth proportional to 580,872,357.36, 801,583,492.91 and 316,548,956.70 is: 436,826,464.84
Step by Step Solution
- Step 1: Write the proportion equation
580,872,357.36 : 801,583,492.91 = 316,548,956.70 : x - Step 2: Convert to fraction form
580,872,357.36/801,583,492.91 = 316,548,956.70/x - Step 3: Cross multiply
580,872,357.36x = 801,583,492.91 × 316,548,956.70 - Step 4: Simplify right side
580,872,357.36x = 253,740,418,387,019,584 - Step 5: Solve for x
x = 253,740,418,387,019,584/580,872,357.36 - Step 6: Final answer
x = 436,826,464.84
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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.