Finding the Fourth Proportional to 350,869,997.68, 484,048,604.34 and 211,563,368.32
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Solution
The fourth proportional to 350,869,997.68, 484,048,604.34 and 211,563,368.32 is: 291,865,801.70
Step by Step Solution
- Step 1: Write the proportion equation
350,869,997.68 : 484,048,604.34 = 211,563,368.32 : x - Step 2: Convert to fraction form
350,869,997.68/484,048,604.34 = 211,563,368.32/x - Step 3: Cross multiply
350,869,997.68x = 484,048,604.34 × 211,563,368.32 - Step 4: Simplify right side
350,869,997.68x = 102,406,953,164,765,360 - Step 5: Solve for x
x = 102,406,953,164,765,360/350,869,997.68 - Step 6: Final answer
x = 291,865,801.70
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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.