Finding the Fourth Proportional to 624,955,312.80, 937,484,087.04 and 313,902,987.84
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Solution
The fourth proportional to 624,955,312.80, 937,484,087.04 and 313,902,987.84 is: 470,880,157.26
Step by Step Solution
- Step 1: Write the proportion equation
624,955,312.80 : 937,484,087.04 = 313,902,987.84 : x - Step 2: Convert to fraction form
624,955,312.80/937,484,087.04 = 313,902,987.84/x - Step 3: Cross multiply
624,955,312.80x = 937,484,087.04 × 313,902,987.84 - Step 4: Simplify right side
624,955,312.80x = 294,279,055,974,310,592 - Step 5: Solve for x
x = 294,279,055,974,310,592/624,955,312.80 - Step 6: Final answer
x = 470,880,157.26
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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.