Finding the Fourth Proportional to 771,342,184.80, 1,064,521,624.68 and 436,896,051.66
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Solution
The fourth proportional to 771,342,184.80, 1,064,521,624.68 and 436,896,051.66 is: 602,955,865.63
Step by Step Solution
- Step 1: Write the proportion equation
771,342,184.80 : 1,064,521,624.68 = 436,896,051.66 : x - Step 2: Convert to fraction form
771,342,184.80/1,064,521,624.68 = 436,896,051.66/x - Step 3: Cross multiply
771,342,184.80x = 1,064,521,624.68 × 436,896,051.66 - Step 4: Simplify right side
771,342,184.80x = 465,085,294,729,380,416 - Step 5: Solve for x
x = 465,085,294,729,380,416/771,342,184.80 - Step 6: Final answer
x = 602,955,865.63
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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.