Finding the Fourth Proportional to 580,752,364.91, 801,438,378.89 and 316,434,357.95
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Solution
The fourth proportional to 580,752,364.91, 801,438,378.89 and 316,434,357.95 is: 436,679,476.80
Step by Step Solution
- Step 1: Write the proportion equation
580,752,364.91 : 801,438,378.89 = 316,434,357.95 : x - Step 2: Convert to fraction form
580,752,364.91/801,438,378.89 = 316,434,357.95/x - Step 3: Cross multiply
580,752,364.91x = 801,438,378.89 × 316,434,357.95 - Step 4: Simplify right side
580,752,364.91x = 253,602,638,854,956,608 - Step 5: Solve for x
x = 253,602,638,854,956,608/580,752,364.91 - Step 6: Final answer
x = 436,679,476.80
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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.