Finding the Fourth Proportional to 748,497,744.54, 1,032,512,191.83 and 435,197,319.66
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Solution
The fourth proportional to 748,497,744.54, 1,032,512,191.83 and 435,197,319.66 is: 600,331,185.60
Step by Step Solution
- Step 1: Write the proportion equation
748,497,744.54 : 1,032,512,191.83 = 435,197,319.66 : x - Step 2: Convert to fraction form
748,497,744.54/1,032,512,191.83 = 435,197,319.66/x - Step 3: Cross multiply
748,497,744.54x = 1,032,512,191.83 × 435,197,319.66 - Step 4: Simplify right side
748,497,744.54x = 449,346,538,400,687,808 - Step 5: Solve for x
x = 449,346,538,400,687,808/748,497,744.54 - Step 6: Final answer
x = 600,331,185.60
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1.5x scale
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.