Finding the Fourth Proportional to 2,827,527,572.16, 4,239,320,690.88 and 1,252,778,921.28
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Solution
The fourth proportional to 2,827,527,572.16, 4,239,320,690.88 and 1,252,778,921.28 is: 1,878,295,247.90
Step by Step Solution
- Step 1: Write the proportion equation
2,827,527,572.16 : 4,239,320,690.88 = 1,252,778,921.28 : x - Step 2: Convert to fraction form
2,827,527,572.16/4,239,320,690.88 = 1,252,778,921.28/x - Step 3: Cross multiply
2,827,527,572.16x = 4,239,320,690.88 × 1,252,778,921.28 - Step 4: Simplify right side
2,827,527,572.16x = 5,310,931,602,080,630,784 - Step 5: Solve for x
x = 5,310,931,602,080,630,784/2,827,527,572.16 - Step 6: Final answer
x = 1,878,295,247.90
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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.