Finding the Fourth Proportional to 888,838,389.88, 1,227,022,312.80 and 591,974,659.96
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Solution
The fourth proportional to 888,838,389.88, 1,227,022,312.80 and 591,974,659.96 is: 817,208,307.67
Step by Step Solution
- Step 1: Write the proportion equation
888,838,389.88 : 1,227,022,312.80 = 591,974,659.96 : x - Step 2: Convert to fraction form
888,838,389.88/1,227,022,312.80 = 591,974,659.96/x - Step 3: Cross multiply
888,838,389.88x = 1,227,022,312.80 × 591,974,659.96 - Step 4: Simplify right side
888,838,389.88x = 726,366,116,383,112,832 - Step 5: Solve for x
x = 726,366,116,383,112,832/888,838,389.88 - Step 6: Final answer
x = 817,208,307.67
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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.