Finding the Fourth Proportional to 783,206,995.70, 1,174,944,335.79 and 322,893,534.26
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Solution
The fourth proportional to 783,206,995.70, 1,174,944,335.79 and 322,893,534.26 is: 484,395,480.66
Step by Step Solution
- Step 1: Write the proportion equation
783,206,995.70 : 1,174,944,335.79 = 322,893,534.26 : x - Step 2: Convert to fraction form
783,206,995.70/1,174,944,335.79 = 322,893,534.26/x - Step 3: Cross multiply
783,206,995.70x = 1,174,944,335.79 × 322,893,534.26 - Step 4: Simplify right side
783,206,995.70x = 379,381,929,142,001,280 - Step 5: Solve for x
x = 379,381,929,142,001,280/783,206,995.70 - Step 6: Final answer
x = 484,395,480.66
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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.