Finding the Fourth Proportional to 1,157,202,525.55, 1,597,071,963.09 and 648,702,579.52
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Solution
The fourth proportional to 1,157,202,525.55, 1,597,071,963.09 and 648,702,579.52 is: 895,283,823.94
Step by Step Solution
- Step 1: Write the proportion equation
1,157,202,525.55 : 1,597,071,963.09 = 648,702,579.52 : x - Step 2: Convert to fraction form
1,157,202,525.55/1,597,071,963.09 = 648,702,579.52/x - Step 3: Cross multiply
1,157,202,525.55x = 1,597,071,963.09 × 648,702,579.52 - Step 4: Simplify right side
1,157,202,525.55x = 1,036,024,702,143,164,160 - Step 5: Solve for x
x = 1,036,024,702,143,164,160/1,157,202,525.55 - Step 6: Final answer
x = 895,283,823.94
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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.