Finding the Fourth Proportional to 1,977,619,263.18, 2,729,117,572.68 and 1,073,375,522.10
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Solution
The fourth proportional to 1,977,619,263.18, 2,729,117,572.68 and 1,073,375,522.10 is: 1,481,259,843.08
Step by Step Solution
- Step 1: Write the proportion equation
1,977,619,263.18 : 2,729,117,572.68 = 1,073,375,522.10 : x - Step 2: Convert to fraction form
1,977,619,263.18/2,729,117,572.68 = 1,073,375,522.10/x - Step 3: Cross multiply
1,977,619,263.18x = 2,729,117,572.68 × 1,073,375,522.10 - Step 4: Simplify right side
1,977,619,263.18x = 2,929,367,999,447,679,488 - Step 5: Solve for x
x = 2,929,367,999,447,679,488/1,977,619,263.18 - Step 6: Final answer
x = 1,481,259,843.08
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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.