Finding the Fourth Proportional to 951,586,909.84, 1,427,348,956.08 and 391,329,349.84
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Solution
The fourth proportional to 951,586,909.84, 1,427,348,956.08 and 391,329,349.84 is: 586,981,108.30
Step by Step Solution
- Step 1: Write the proportion equation
951,586,909.84 : 1,427,348,956.08 = 391,329,349.84 : x - Step 2: Convert to fraction form
951,586,909.84/1,427,348,956.08 = 391,329,349.84/x - Step 3: Cross multiply
951,586,909.84x = 1,427,348,956.08 × 391,329,349.84 - Step 4: Simplify right side
951,586,909.84x = 558,563,538,977,589,056 - Step 5: Solve for x
x = 558,563,538,977,589,056/951,586,909.84 - Step 6: Final answer
x = 586,981,108.30
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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.