Finding the Fourth Proportional to 608,670,159.18, 839,966,447.76 and 330,211,682.70
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Solution
The fourth proportional to 608,670,159.18, 839,966,447.76 and 330,211,682.70 is: 455,693,005.39
Step by Step Solution
- Step 1: Write the proportion equation
608,670,159.18 : 839,966,447.76 = 330,211,682.70 : x - Step 2: Convert to fraction form
608,670,159.18/839,966,447.76 = 330,211,682.70/x - Step 3: Cross multiply
608,670,159.18x = 839,966,447.76 × 330,211,682.70 - Step 4: Simplify right side
608,670,159.18x = 277,366,734,126,371,232 - Step 5: Solve for x
x = 277,366,734,126,371,232/608,670,159.18 - Step 6: Final answer
x = 455,693,005.39
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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.