Finding the Fourth Proportional to 574,233,828.80, 861,350,743.20 and 529,891,966.40
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Solution
The fourth proportional to 574,233,828.80, 861,350,743.20 and 529,891,966.40 is: 794,837,949.60
Step by Step Solution
- Step 1: Write the proportion equation
574,233,828.80 : 861,350,743.20 = 529,891,966.40 : x - Step 2: Convert to fraction form
574,233,828.80/861,350,743.20 = 529,891,966.40/x - Step 3: Cross multiply
574,233,828.80x = 861,350,743.20 × 529,891,966.40 - Step 4: Simplify right side
574,233,828.80x = 456,422,839,074,349,440 - Step 5: Solve for x
x = 456,422,839,074,349,440/574,233,828.80 - Step 6: Final answer
x = 794,837,949.60
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1.5x scale
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.