Finding the Fourth Proportional to 5,643,490,610.40, 8,455,032,248.40 and 4,827,197,234.40
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Solution
The fourth proportional to 5,643,490,610.40, 8,455,032,248.40 and 4,827,197,234.40 is: 7,232,068,076.99
Step by Step Solution
- Step 1: Write the proportion equation
5,643,490,610.40 : 8,455,032,248.40 = 4,827,197,234.40 : x - Step 2: Convert to fraction form
5,643,490,610.40/8,455,032,248.40 = 4,827,197,234.40/x - Step 3: Cross multiply
5,643,490,610.40x = 8,455,032,248.40 × 4,827,197,234.40 - Step 4: Simplify right side
5,643,490,610.40x = 40,814,108,286,239,285,248 - Step 5: Solve for x
x = 40,814,108,286,239,285,248/5,643,490,610.40 - Step 6: Final answer
x = 7,232,068,076.99
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1.5x scale
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.