Finding the Fourth Proportional to 1,618,292,234.64, 2,233,243,286.28 and 875,736,297.12
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Solution
The fourth proportional to 1,618,292,234.64, 2,233,243,286.28 and 875,736,297.12 is: 1,208,516,091.37
Step by Step Solution
- Step 1: Write the proportion equation
1,618,292,234.64 : 2,233,243,286.28 = 875,736,297.12 : x - Step 2: Convert to fraction form
1,618,292,234.64/2,233,243,286.28 = 875,736,297.12/x - Step 3: Cross multiply
1,618,292,234.64x = 2,233,243,286.28 × 875,736,297.12 - Step 4: Simplify right side
1,618,292,234.64x = 1,955,732,206,094,947,584 - Step 5: Solve for x
x = 1,955,732,206,094,947,584/1,618,292,234.64 - Step 6: Final answer
x = 1,208,516,091.37
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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.