Finding the Fourth Proportional to 1,908,516,234.80, 2,862,774,352.20 and 1,418,740,209.20
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Solution
The fourth proportional to 1,908,516,234.80, 2,862,774,352.20 and 1,418,740,209.20 is: 2,128,110,313.80
Step by Step Solution
- Step 1: Write the proportion equation
1,908,516,234.80 : 2,862,774,352.20 = 1,418,740,209.20 : x - Step 2: Convert to fraction form
1,908,516,234.80/2,862,774,352.20 = 1,418,740,209.20/x - Step 3: Cross multiply
1,908,516,234.80x = 2,862,774,352.20 × 1,418,740,209.20 - Step 4: Simplify right side
1,908,516,234.80x = 4,061,533,083,332,622,336 - Step 5: Solve for x
x = 4,061,533,083,332,622,336/1,908,516,234.80 - Step 6: Final answer
x = 2,128,110,313.80
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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.