Finding the Fourth Proportional to 394,643,295.84, 592,169,056.56 and 286,361,208.48
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Solution
The fourth proportional to 394,643,295.84, 592,169,056.56 and 286,361,208.48 is: 429,689,921.12
Step by Step Solution
- Step 1: Write the proportion equation
394,643,295.84 : 592,169,056.56 = 286,361,208.48 : x - Step 2: Convert to fraction form
394,643,295.84/592,169,056.56 = 286,361,208.48/x - Step 3: Cross multiply
394,643,295.84x = 592,169,056.56 × 286,361,208.48 - Step 4: Simplify right side
394,643,295.84x = 169,574,246,660,983,072 - Step 5: Solve for x
x = 169,574,246,660,983,072/394,643,295.84 - Step 6: Final answer
x = 429,689,921.12
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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.