Finding the Fourth Proportional to 1,299,276,464.64, 1,949,029,276.32 and 366,607,492.08
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Solution
The fourth proportional to 1,299,276,464.64, 1,949,029,276.32 and 366,607,492.08 is: 549,943,568.15
Step by Step Solution
- Step 1: Write the proportion equation
1,299,276,464.64 : 1,949,029,276.32 = 366,607,492.08 : x - Step 2: Convert to fraction form
1,299,276,464.64/1,949,029,276.32 = 366,607,492.08/x - Step 3: Cross multiply
1,299,276,464.64x = 1,949,029,276.32 × 366,607,492.08 - Step 4: Simplify right side
1,299,276,464.64x = 714,528,734,982,172,416 - Step 5: Solve for x
x = 714,528,734,982,172,416/1,299,276,464.64 - Step 6: Final answer
x = 549,943,568.15
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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.