Finding the Fourth Proportional to 1,375,462,728.78, 2,059,319,666.16 and 1,235,991,352.74
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Solution
The fourth proportional to 1,375,462,728.78, 2,059,319,666.16 and 1,235,991,352.74 is: 1,850,505,467.46
Step by Step Solution
- Step 1: Write the proportion equation
1,375,462,728.78 : 2,059,319,666.16 = 1,235,991,352.74 : x - Step 2: Convert to fraction form
1,375,462,728.78/2,059,319,666.16 = 1,235,991,352.74/x - Step 3: Cross multiply
1,375,462,728.78x = 2,059,319,666.16 × 1,235,991,352.74 - Step 4: Simplify right side
1,375,462,728.78x = 2,545,301,299,901,183,488 - Step 5: Solve for x
x = 2,545,301,299,901,183,488/1,375,462,728.78 - Step 6: Final answer
x = 1,850,505,467.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.