Finding the Fourth Proportional to 7,799,266,341.45, 10,762,987,550.85 and 4,457,836,368.36
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Solution
The fourth proportional to 7,799,266,341.45, 10,762,987,550.85 and 4,457,836,368.36 is: 6,151,814,188.14
Step by Step Solution
- Step 1: Write the proportion equation
7,799,266,341.45 : 10,762,987,550.85 = 4,457,836,368.36 : x - Step 2: Convert to fraction form
7,799,266,341.45/10,762,987,550.85 = 4,457,836,368.36/x - Step 3: Cross multiply
7,799,266,341.45x = 10,762,987,550.85 × 4,457,836,368.36 - Step 4: Simplify right side
7,799,266,341.45x = 47,979,637,336,385,052,672 - Step 5: Solve for x
x = 47,979,637,336,385,052,672/7,799,266,341.45 - Step 6: Final answer
x = 6,151,814,188.14
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1.5x scale
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.