Finding the Fourth Proportional to 349,661,352.67, 482,534,207.89 and 193,029,746.74
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Solution
The fourth proportional to 349,661,352.67, 482,534,207.89 and 193,029,746.74 is: 266,381,901.32
Step by Step Solution
- Step 1: Write the proportion equation
349,661,352.67 : 482,534,207.89 = 193,029,746.74 : x - Step 2: Convert to fraction form
349,661,352.67/482,534,207.89 = 193,029,746.74/x - Step 3: Cross multiply
349,661,352.67x = 482,534,207.89 × 193,029,746.74 - Step 4: Simplify right side
349,661,352.67x = 93,143,455,944,500,976 - Step 5: Solve for x
x = 93,143,455,944,500,976/349,661,352.67 - Step 6: Final answer
x = 266,381,901.32
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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.