Finding the Fourth Proportional to 8,428,727,412.99, 12,638,953,962.83 and 4,169,497,711.87
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Solution
The fourth proportional to 8,428,727,412.99, 12,638,953,962.83 and 4,169,497,711.87 is: 6,252,200,011.50
Step by Step Solution
- Step 1: Write the proportion equation
8,428,727,412.99 : 12,638,953,962.83 = 4,169,497,711.87 : x - Step 2: Convert to fraction form
8,428,727,412.99/12,638,953,962.83 = 4,169,497,711.87/x - Step 3: Cross multiply
8,428,727,412.99x = 12,638,953,962.83 × 4,169,497,711.87 - Step 4: Simplify right side
8,428,727,412.99x = 52,698,089,628,418,490,368 - Step 5: Solve for x
x = 52,698,089,628,418,490,368/8,428,727,412.99 - Step 6: Final answer
x = 6,252,200,011.50
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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.