Finding the Fourth Proportional to 1,505,497,866.30, 2,257,996,325.81 and 455,986,544.45
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Solution
The fourth proportional to 1,505,497,866.30, 2,257,996,325.81 and 455,986,544.45 is: 683,903,952.99
Step by Step Solution
- Step 1: Write the proportion equation
1,505,497,866.30 : 2,257,996,325.81 = 455,986,544.45 : x - Step 2: Convert to fraction form
1,505,497,866.30/2,257,996,325.81 = 455,986,544.45/x - Step 3: Cross multiply
1,505,497,866.30x = 2,257,996,325.81 × 455,986,544.45 - Step 4: Simplify right side
1,505,497,866.30x = 1,029,615,941,973,328,256 - Step 5: Solve for x
x = 1,029,615,941,973,328,256/1,505,497,866.30 - Step 6: Final answer
x = 683,903,952.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.