Finding the Fourth Proportional to 865,754,425.43, 1,194,709,098.99 and 469,268,902.06
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Solution
The fourth proportional to 865,754,425.43, 1,194,709,098.99 and 469,268,902.06 is: 647,573,735.34
Step by Step Solution
- Step 1: Write the proportion equation
865,754,425.43 : 1,194,709,098.99 = 469,268,902.06 : x - Step 2: Convert to fraction form
865,754,425.43/1,194,709,098.99 = 469,268,902.06/x - Step 3: Cross multiply
865,754,425.43x = 1,194,709,098.99 × 469,268,902.06 - Step 4: Simplify right side
865,754,425.43x = 560,639,827,164,129,152 - Step 5: Solve for x
x = 560,639,827,164,129,152/865,754,425.43 - Step 6: Final answer
x = 647,573,735.34
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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.