Finding the Fourth Proportional to 576,412,561.84, 864,671,995.06 and 188,237,426.62
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Solution
The fourth proportional to 576,412,561.84, 864,671,995.06 and 188,237,426.62 is: 282,373,497.73
Step by Step Solution
- Step 1: Write the proportion equation
576,412,561.84 : 864,671,995.06 = 188,237,426.62 : x - Step 2: Convert to fraction form
576,412,561.84/864,671,995.06 = 188,237,426.62/x - Step 3: Cross multiply
576,412,561.84x = 864,671,995.06 × 188,237,426.62 - Step 4: Simplify right side
576,412,561.84x = 162,763,631,220,475,744 - Step 5: Solve for x
x = 162,763,631,220,475,744/576,412,561.84 - Step 6: Final answer
x = 282,373,497.73
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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.