Finding the Fourth Proportional to 531,456,315.40, 797,184,473.10 and 483,839,201.80
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Solution
The fourth proportional to 531,456,315.40, 797,184,473.10 and 483,839,201.80 is: 725,758,802.70
Step by Step Solution
- Step 1: Write the proportion equation
531,456,315.40 : 797,184,473.10 = 483,839,201.80 : x - Step 2: Convert to fraction form
531,456,315.40/797,184,473.10 = 483,839,201.80/x - Step 3: Cross multiply
531,456,315.40x = 797,184,473.10 × 483,839,201.80 - Step 4: Simplify right side
531,456,315.40x = 385,709,099,152,057,600 - Step 5: Solve for x
x = 385,709,099,152,057,600/531,456,315.40 - Step 6: Final answer
x = 725,758,802.70
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1.5x scale
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.