Finding the Fourth Proportional to 1,351,539,979,080.90, 1,865,285,066,183.90 and 802,833,451,889.55
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Solution
The fourth proportional to 1,351,539,979,080.90, 1,865,285,066,183.90 and 802,833,451,889.55 is: 1,108,005,143,481.45
Step by Step Solution
- Step 1: Write the proportion equation
1,351,539,979,080.90 : 1,865,285,066,183.90 = 802,833,451,889.55 : x - Step 2: Convert to fraction form
1,351,539,979,080.90/1,865,285,066,183.90 = 802,833,451,889.55/x - Step 3: Cross multiply
1,351,539,979,080.90x = 1,865,285,066,183.90 × 802,833,451,889.55 - Step 4: Simplify right side
1,351,539,979,080.90x = 1,497,513,248,442,448,114,352,128 - Step 5: Solve for x
x = 1,497,513,248,442,448,114,352,128/1,351,539,979,080.90 - Step 6: Final answer
x = 1,108,005,143,481.45
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Double scale
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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.