Finding the Fourth Proportional to 1,747,891,683.19, 2,412,091,490.57 and 944,119,176.96
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Solution
The fourth proportional to 1,747,891,683.19, 2,412,091,490.57 and 944,119,176.96 is: 1,302,884,986.94
Step by Step Solution
- Step 1: Write the proportion equation
1,747,891,683.19 : 2,412,091,490.57 = 944,119,176.96 : x - Step 2: Convert to fraction form
1,747,891,683.19/2,412,091,490.57 = 944,119,176.96/x - Step 3: Cross multiply
1,747,891,683.19x = 2,412,091,490.57 × 944,119,176.96 - Step 4: Simplify right side
1,747,891,683.19x = 2,277,301,832,817,107,712 - Step 5: Solve for x
x = 2,277,301,832,817,107,712/1,747,891,683.19 - Step 6: Final answer
x = 1,302,884,986.94
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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.