Finding the Fourth Proportional to 340,440,824.18, 469,837,286.26 and 191,791,134.02
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Solution
The fourth proportional to 340,440,824.18, 469,837,286.26 and 191,791,134.02 is: 264,688,073.63
Step by Step Solution
- Step 1: Write the proportion equation
340,440,824.18 : 469,837,286.26 = 191,791,134.02 : x - Step 2: Convert to fraction form
340,440,824.18/469,837,286.26 = 191,791,134.02/x - Step 3: Cross multiply
340,440,824.18x = 469,837,286.26 × 191,791,134.02 - Step 4: Simplify right side
340,440,824.18x = 90,110,625,936,684,768 - Step 5: Solve for x
x = 90,110,625,936,684,768/340,440,824.18 - Step 6: Final answer
x = 264,688,073.63
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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.