Finding the Fourth Proportional to 1,154,670,838.57, 1,593,457,598.52 and 626,035,847.05
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Solution
The fourth proportional to 1,154,670,838.57, 1,593,457,598.52 and 626,035,847.05 is: 863,935,889.00
Step by Step Solution
- Step 1: Write the proportion equation
1,154,670,838.57 : 1,593,457,598.52 = 626,035,847.05 : x - Step 2: Convert to fraction form
1,154,670,838.57/1,593,457,598.52 = 626,035,847.05/x - Step 3: Cross multiply
1,154,670,838.57x = 1,593,457,598.52 × 626,035,847.05 - Step 4: Simplify right side
1,154,670,838.57x = 997,561,577,427,726,976 - Step 5: Solve for x
x = 997,561,577,427,726,976/1,154,670,838.57 - Step 6: Final answer
x = 863,935,889.00
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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.