Finding the Fourth Proportional to 638,943,772.94, 958,521,610.71 and 224,312,976.62
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Solution
The fourth proportional to 638,943,772.94, 958,521,610.71 and 224,312,976.62 is: 336,506,661.08
Step by Step Solution
- Step 1: Write the proportion equation
638,943,772.94 : 958,521,610.71 = 224,312,976.62 : x - Step 2: Convert to fraction form
638,943,772.94/958,521,610.71 = 224,312,976.62/x - Step 3: Cross multiply
638,943,772.94x = 958,521,610.71 × 224,312,976.62 - Step 4: Simplify right side
638,943,772.94x = 215,008,835,652,956,992 - Step 5: Solve for x
x = 215,008,835,652,956,992/638,943,772.94 - Step 6: Final answer
x = 336,506,661.08
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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.