Finding the Fourth Proportional to 2,559,278,311.87, 3,531,817,130.55 and 1,430,266,918.51
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Solution
The fourth proportional to 2,559,278,311.87, 3,531,817,130.55 and 1,430,266,918.51 is: 1,973,775,646.29
Step by Step Solution
- Step 1: Write the proportion equation
2,559,278,311.87 : 3,531,817,130.55 = 1,430,266,918.51 : x - Step 2: Convert to fraction form
2,559,278,311.87/3,531,817,130.55 = 1,430,266,918.51/x - Step 3: Cross multiply
2,559,278,311.87x = 3,531,817,130.55 × 1,430,266,918.51 - Step 4: Simplify right side
2,559,278,311.87x = 5,051,441,204,052,579,328 - Step 5: Solve for x
x = 5,051,441,204,052,579,328/2,559,278,311.87 - Step 6: Final answer
x = 1,973,775,646.29
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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.