Finding the Fourth Proportional to 712,971,336.71, 1,068,702,202.71 and 239,819,955.46
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Solution
The fourth proportional to 712,971,336.71, 1,068,702,202.71 and 239,819,955.46 is: 359,476,042.66
Step by Step Solution
- Step 1: Write the proportion equation
712,971,336.71 : 1,068,702,202.71 = 239,819,955.46 : x - Step 2: Convert to fraction form
712,971,336.71/1,068,702,202.71 = 239,819,955.46/x - Step 3: Cross multiply
712,971,336.71x = 1,068,702,202.71 × 239,819,955.46 - Step 4: Simplify right side
712,971,336.71x = 256,296,114,651,244,352 - Step 5: Solve for x
x = 256,296,114,651,244,352/712,971,336.71 - Step 6: Final answer
x = 359,476,042.66
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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.