Finding the Fourth Proportional to 578,152,936.84, 797,828,068.63 and 327,309,362.79
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Solution
The fourth proportional to 578,152,936.84, 797,828,068.63 and 327,309,362.79 is: 451,673,908.62
Step by Step Solution
- Step 1: Write the proportion equation
578,152,936.84 : 797,828,068.63 = 327,309,362.79 : x - Step 2: Convert to fraction form
578,152,936.84/797,828,068.63 = 327,309,362.79/x - Step 3: Cross multiply
578,152,936.84x = 797,828,068.63 × 327,309,362.79 - Step 4: Simplify right side
578,152,936.84x = 261,136,596,759,670,848 - Step 5: Solve for x
x = 261,136,596,759,670,848/578,152,936.84 - Step 6: Final answer
x = 451,673,908.62
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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.