Finding the Fourth Proportional to 5,038,862,110.20, 7,558,293,165.30 and 3,079,758,007.80
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Solution
The fourth proportional to 5,038,862,110.20, 7,558,293,165.30 and 3,079,758,007.80 is: 4,619,637,011.70
Step by Step Solution
- Step 1: Write the proportion equation
5,038,862,110.20 : 7,558,293,165.30 = 3,079,758,007.80 : x - Step 2: Convert to fraction form
5,038,862,110.20/7,558,293,165.30 = 3,079,758,007.80/x - Step 3: Cross multiply
5,038,862,110.20x = 7,558,293,165.30 × 3,079,758,007.80 - Step 4: Simplify right side
5,038,862,110.20x = 23,277,713,901,132,685,312 - Step 5: Solve for x
x = 23,277,713,901,132,685,312/5,038,862,110.20 - Step 6: Final answer
x = 4,619,637,011.70
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1.5x scale
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.