Finding the Fourth Proportional to 1,273,718,354.22, 1,757,803,671.90 and 765,236,598.48
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Solution
The fourth proportional to 1,273,718,354.22, 1,757,803,671.90 and 765,236,598.48 is: 1,056,069,968.86
Step by Step Solution
- Step 1: Write the proportion equation
1,273,718,354.22 : 1,757,803,671.90 = 765,236,598.48 : x - Step 2: Convert to fraction form
1,273,718,354.22/1,757,803,671.90 = 765,236,598.48/x - Step 3: Cross multiply
1,273,718,354.22x = 1,757,803,671.90 × 765,236,598.48 - Step 4: Simplify right side
1,273,718,354.22x = 1,345,135,702,680,410,112 - Step 5: Solve for x
x = 1,345,135,702,680,410,112/1,273,718,354.22 - Step 6: Final answer
x = 1,056,069,968.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.