Finding the Fourth Proportional to 7,475,784,199.20, 11,213,676,298.80 and 3,113,149,600.80
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Solution
The fourth proportional to 7,475,784,199.20, 11,213,676,298.80 and 3,113,149,600.80 is: 4,669,724,401.20
Step by Step Solution
- Step 1: Write the proportion equation
7,475,784,199.20 : 11,213,676,298.80 = 3,113,149,600.80 : x - Step 2: Convert to fraction form
7,475,784,199.20/11,213,676,298.80 = 3,113,149,600.80/x - Step 3: Cross multiply
7,475,784,199.20x = 11,213,676,298.80 × 3,113,149,600.80 - Step 4: Simplify right side
7,475,784,199.20x = 34,909,851,893,109,641,216 - Step 5: Solve for x
x = 34,909,851,893,109,641,216/7,475,784,199.20 - Step 6: Final answer
x = 4,669,724,401.20
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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.