Finding the Fourth Proportional to 515,001,566.16, 710,720,850.42 and 295,027,507.44
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Solution
The fourth proportional to 515,001,566.16, 710,720,850.42 and 295,027,507.44 is: 407,148,666.65
Step by Step Solution
- Step 1: Write the proportion equation
515,001,566.16 : 710,720,850.42 = 295,027,507.44 : x - Step 2: Convert to fraction form
515,001,566.16/710,720,850.42 = 295,027,507.44/x - Step 3: Cross multiply
515,001,566.16x = 710,720,850.42 × 295,027,507.44 - Step 4: Simplify right side
515,001,566.16x = 209,682,200,985,049,664 - Step 5: Solve for x
x = 209,682,200,985,049,664/515,001,566.16 - Step 6: Final answer
x = 407,148,666.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.