Finding the Fourth Proportional to 1,266,170,085.12, 1,747,411,652.52 and 796,673,848.08
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Solution
The fourth proportional to 1,266,170,085.12, 1,747,411,652.52 and 796,673,848.08 is: 1,099,470,901.86
Step by Step Solution
- Step 1: Write the proportion equation
1,266,170,085.12 : 1,747,411,652.52 = 796,673,848.08 : x - Step 2: Convert to fraction form
1,266,170,085.12/1,747,411,652.52 = 796,673,848.08/x - Step 3: Cross multiply
1,266,170,085.12x = 1,747,411,652.52 × 796,673,848.08 - Step 4: Simplify right side
1,266,170,085.12x = 1,392,117,165,392,940,288 - Step 5: Solve for x
x = 1,392,117,165,392,940,288/1,266,170,085.12 - Step 6: Final answer
x = 1,099,470,901.86
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1.5x scale
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.