Finding the Fourth Proportional to 2,559,278,310.51, 3,531,817,128.65 and 1,430,266,917.14
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Solution
The fourth proportional to 2,559,278,310.51, 3,531,817,128.65 and 1,430,266,917.14 is: 1,973,775,644.39
Step by Step Solution
- Step 1: Write the proportion equation
2,559,278,310.51 : 3,531,817,128.65 = 1,430,266,917.14 : x - Step 2: Convert to fraction form
2,559,278,310.51/3,531,817,128.65 = 1,430,266,917.14/x - Step 3: Cross multiply
2,559,278,310.51x = 3,531,817,128.65 × 1,430,266,917.14 - Step 4: Simplify right side
2,559,278,310.51x = 5,051,441,196,508,887,040 - Step 5: Solve for x
x = 5,051,441,196,508,887,040/2,559,278,310.51 - Step 6: Final answer
x = 1,973,775,644.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.