Finding the Fourth Proportional to 539,016,756.72, 808,525,212.84 and 130,072,908.84
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Solution
The fourth proportional to 539,016,756.72, 808,525,212.84 and 130,072,908.84 is: 195,109,382.02
Step by Step Solution
- Step 1: Write the proportion equation
539,016,756.72 : 808,525,212.84 = 130,072,908.84 : x - Step 2: Convert to fraction form
539,016,756.72/808,525,212.84 = 130,072,908.84/x - Step 3: Cross multiply
539,016,756.72x = 808,525,212.84 × 130,072,908.84 - Step 4: Simplify right side
539,016,756.72x = 105,167,226,304,578,928 - Step 5: Solve for x
x = 105,167,226,304,578,928/539,016,756.72 - Step 6: Final answer
x = 195,109,382.02
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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.