Finding the Fourth Proportional to 684,359,494.62, 1,026,129,294.36 and 217,819,397.94
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Solution
The fourth proportional to 684,359,494.62, 1,026,129,294.36 and 217,819,397.94 is: 326,598,617.92
Step by Step Solution
- Step 1: Write the proportion equation
684,359,494.62 : 1,026,129,294.36 = 217,819,397.94 : x - Step 2: Convert to fraction form
684,359,494.62/1,026,129,294.36 = 217,819,397.94/x - Step 3: Cross multiply
684,359,494.62x = 1,026,129,294.36 × 217,819,397.94 - Step 4: Simplify right side
684,359,494.62x = 223,510,865,106,092,224 - Step 5: Solve for x
x = 223,510,865,106,092,224/684,359,494.62 - Step 6: Final answer
x = 326,598,617.92
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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.