Finding the Fourth Proportional to 7,572,881,457.60, 11,353,947,415.20 and 2,912,954,827.20
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Solution
The fourth proportional to 7,572,881,457.60, 11,353,947,415.20 and 2,912,954,827.20 is: 4,367,364,802.43
Step by Step Solution
- Step 1: Write the proportion equation
7,572,881,457.60 : 11,353,947,415.20 = 2,912,954,827.20 : x - Step 2: Convert to fraction form
7,572,881,457.60/11,353,947,415.20 = 2,912,954,827.20/x - Step 3: Cross multiply
7,572,881,457.60x = 11,353,947,415.20 × 2,912,954,827.20 - Step 4: Simplify right side
7,572,881,457.60x = 33,073,535,930,881,802,240 - Step 5: Solve for x
x = 33,073,535,930,881,802,240/7,572,881,457.60 - Step 6: Final answer
x = 4,367,364,802.43
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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.