Finding the Fourth Proportional to 1,437,488,422.08, 1,983,734,025.60 and 777,438,700
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Solution
The fourth proportional to 1,437,488,422.08, 1,983,734,025.60 and 777,438,700 is: 1,072,865,407.69
Step by Step Solution
- Step 1: Write the proportion equation
1,437,488,422.08 : 1,983,734,025.60 = 777,438,700 : x - Step 2: Convert to fraction form
1,437,488,422.08/1,983,734,025.60 = 777,438,700/x - Step 3: Cross multiply
1,437,488,422.08x = 1,983,734,025.60 × 777,438,700 - Step 4: Simplify right side
1,437,488,422.08x = 1,542,231,602,008,230,656 - Step 5: Solve for x
x = 1,542,231,602,008,230,656/1,437,488,422.08 - Step 6: Final answer
x = 1,072,865,407.69
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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.