Finding the Fourth Proportional to 596,135,653.65, 822,667,239.95 and 331,811,956.53
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Solution
The fourth proportional to 596,135,653.65, 822,667,239.95 and 331,811,956.53 is: 457,900,521.11
Step by Step Solution
- Step 1: Write the proportion equation
596,135,653.65 : 822,667,239.95 = 331,811,956.53 : x - Step 2: Convert to fraction form
596,135,653.65/822,667,239.95 = 331,811,956.53/x - Step 3: Cross multiply
596,135,653.65x = 822,667,239.95 × 331,811,956.53 - Step 4: Simplify right side
596,135,653.65x = 272,970,826,459,285,408 - Step 5: Solve for x
x = 272,970,826,459,285,408/596,135,653.65 - Step 6: Final answer
x = 457,900,521.11
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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.