Finding the Fourth Proportional to 353,087,366.55, 487,328,027.09 and 233,799,560.02
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Solution
The fourth proportional to 353,087,366.55, 487,328,027.09 and 233,799,560.02 is: 322,688,062.82
Step by Step Solution
- Step 1: Write the proportion equation
353,087,366.55 : 487,328,027.09 = 233,799,560.02 : x - Step 2: Convert to fraction form
353,087,366.55/487,328,027.09 = 233,799,560.02/x - Step 3: Cross multiply
353,087,366.55x = 487,328,027.09 × 233,799,560.02 - Step 4: Simplify right side
353,087,366.55x = 113,937,078,319,056,640 - Step 5: Solve for x
x = 113,937,078,319,056,640/353,087,366.55 - Step 6: Final answer
x = 322,688,062.82
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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.