Finding the Fourth Proportional to 1,214,896,840.41, 1,822,345,265.12 and 341,498,208.74
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Solution
The fourth proportional to 1,214,896,840.41, 1,822,345,265.12 and 341,498,208.74 is: 512,247,314.38
Step by Step Solution
- Step 1: Write the proportion equation
1,214,896,840.41 : 1,822,345,265.12 = 341,498,208.74 : x - Step 2: Convert to fraction form
1,214,896,840.41/1,822,345,265.12 = 341,498,208.74/x - Step 3: Cross multiply
1,214,896,840.41x = 1,822,345,265.12 × 341,498,208.74 - Step 4: Simplify right side
1,214,896,840.41x = 622,327,643,744,300,416 - Step 5: Solve for x
x = 622,327,643,744,300,416/1,214,896,840.41 - Step 6: Final answer
x = 512,247,314.38
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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.