Finding the Fourth Proportional to 561,594,379.29, 774,994,497.27 and 310,700,566.74
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Solution
The fourth proportional to 561,594,379.29, 774,994,497.27 and 310,700,566.74 is: 428,763,603.06
Step by Step Solution
- Step 1: Write the proportion equation
561,594,379.29 : 774,994,497.27 = 310,700,566.74 : x - Step 2: Convert to fraction form
561,594,379.29/774,994,497.27 = 310,700,566.74/x - Step 3: Cross multiply
561,594,379.29x = 774,994,497.27 × 310,700,566.74 - Step 4: Simplify right side
561,594,379.29x = 240,791,229,524,359,136 - Step 5: Solve for x
x = 240,791,229,524,359,136/561,594,379.29 - Step 6: Final answer
x = 428,763,603.06
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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.