Finding the Fourth Proportional to 633,961,510.70, 885,732,129.70 and 633,961,510.70
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Solution
The fourth proportional to 633,961,510.70, 885,732,129.70 and 633,961,510.70 is: 885,732,129.70
Step by Step Solution
- Step 1: Write the proportion equation
633,961,510.70 : 885,732,129.70 = 633,961,510.70 : x - Step 2: Convert to fraction form
633,961,510.70/885,732,129.70 = 633,961,510.70/x - Step 3: Cross multiply
633,961,510.70x = 885,732,129.70 × 633,961,510.70 - Step 4: Simplify right side
633,961,510.70x = 561,520,079,020,140,416 - Step 5: Solve for x
x = 561,520,079,020,140,416/633,961,510.70 - Step 6: Final answer
x = 885,732,129.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.