Finding the Fourth Proportional to 608,828,101.66, 840,185,085.23 and 330,369,625.18
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Solution
The fourth proportional to 608,828,101.66, 840,185,085.23 and 330,369,625.18 is: 455,911,333.48
Step by Step Solution
- Step 1: Write the proportion equation
608,828,101.66 : 840,185,085.23 = 330,369,625.18 : x - Step 2: Convert to fraction form
608,828,101.66/840,185,085.23 = 330,369,625.18/x - Step 3: Cross multiply
608,828,101.66x = 840,185,085.23 × 330,369,625.18 - Step 4: Simplify right side
608,828,101.66x = 277,571,631,689,261,472 - Step 5: Solve for x
x = 277,571,631,689,261,472/608,828,101.66 - Step 6: Final answer
x = 455,911,333.48
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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.