Finding the Fourth Proportional to 1,457,875,032.96, 2,186,909,519.00 and 512,358,765.42
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Solution
The fourth proportional to 1,457,875,032.96, 2,186,909,519.00 and 512,358,765.42 is: 768,572,227.32
Step by Step Solution
- Step 1: Write the proportion equation
1,457,875,032.96 : 2,186,909,519.00 = 512,358,765.42 : x - Step 2: Convert to fraction form
1,457,875,032.96/2,186,909,519.00 = 512,358,765.42/x - Step 3: Cross multiply
1,457,875,032.96x = 2,186,909,519.00 × 512,358,765.42 - Step 4: Simplify right side
1,457,875,032.96x = 1,120,482,261,237,524,224 - Step 5: Solve for x
x = 1,120,482,261,237,524,224/1,457,875,032.96 - Step 6: Final answer
x = 768,572,227.32
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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.