Finding the Fourth Proportional to 752,298,183.02, 1,128,582,847.06 and 309,562,657.54
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Solution
The fourth proportional to 752,298,183.02, 1,128,582,847.06 and 309,562,657.54 is: 464,399,772.96
Step by Step Solution
- Step 1: Write the proportion equation
752,298,183.02 : 1,128,582,847.06 = 309,562,657.54 : x - Step 2: Convert to fraction form
752,298,183.02/1,128,582,847.06 = 309,562,657.54/x - Step 3: Cross multiply
752,298,183.02x = 1,128,582,847.06 × 309,562,657.54 - Step 4: Simplify right side
752,298,183.02x = 349,367,105,389,952,960 - Step 5: Solve for x
x = 349,367,105,389,952,960/752,298,183.02 - Step 6: Final answer
x = 464,399,772.96
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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.