Finding the Fourth Proportional to 653,951,163.36, 890,363,547.84 and 651,910,429.92
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Solution
The fourth proportional to 653,951,163.36, 890,363,547.84 and 651,910,429.92 is: 887,585,061.05
Step by Step Solution
- Step 1: Write the proportion equation
653,951,163.36 : 890,363,547.84 = 651,910,429.92 : x - Step 2: Convert to fraction form
653,951,163.36/890,363,547.84 = 651,910,429.92/x - Step 3: Cross multiply
653,951,163.36x = 890,363,547.84 × 651,910,429.92 - Step 4: Simplify right side
653,951,163.36x = 580,437,283,257,470,848 - Step 5: Solve for x
x = 580,437,283,257,470,848/653,951,163.36 - Step 6: Final answer
x = 887,585,061.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.