Finding the Fourth Proportional to 2,559,278,309.01, 3,531,817,126.59 and 1,430,266,915.64
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Solution
The fourth proportional to 2,559,278,309.01, 3,531,817,126.59 and 1,430,266,915.64 is: 1,973,775,642.33
Step by Step Solution
- Step 1: Write the proportion equation
2,559,278,309.01 : 3,531,817,126.59 = 1,430,266,915.64 : x - Step 2: Convert to fraction form
2,559,278,309.01/3,531,817,126.59 = 1,430,266,915.64/x - Step 3: Cross multiply
2,559,278,309.01x = 3,531,817,126.59 × 1,430,266,915.64 - Step 4: Simplify right side
2,559,278,309.01x = 5,051,441,188,255,657,984 - Step 5: Solve for x
x = 5,051,441,188,255,657,984/2,559,278,309.01 - Step 6: Final answer
x = 1,973,775,642.33
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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.