Finding the Fourth Proportional to 683,330,358.40, 1,024,896,004.80 and 198,605,622.40
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Solution
The fourth proportional to 683,330,358.40, 1,024,896,004.80 and 198,605,622.40 is: 297,879,505.02
Step by Step Solution
- Step 1: Write the proportion equation
683,330,358.40 : 1,024,896,004.80 = 198,605,622.40 : x - Step 2: Convert to fraction form
683,330,358.40/1,024,896,004.80 = 198,605,622.40/x - Step 3: Cross multiply
683,330,358.40x = 1,024,896,004.80 × 198,605,622.40 - Step 4: Simplify right side
683,330,358.40x = 203,550,108,928,577,376 - Step 5: Solve for x
x = 203,550,108,928,577,376/683,330,358.40 - Step 6: Final answer
x = 297,879,505.02
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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.