Finding the Fourth Proportional to 1,447,410,238.54, 2,172,033,622.24 and 618,370,117.99
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Solution
The fourth proportional to 1,447,410,238.54, 2,172,033,622.24 and 618,370,117.99 is: 927,947,482.68
Step by Step Solution
- Step 1: Write the proportion equation
1,447,410,238.54 : 2,172,033,622.24 = 618,370,117.99 : x - Step 2: Convert to fraction form
1,447,410,238.54/2,172,033,622.24 = 618,370,117.99/x - Step 3: Cross multiply
1,447,410,238.54x = 2,172,033,622.24 × 618,370,117.99 - Step 4: Simplify right side
1,447,410,238.54x = 1,343,120,687,255,819,776 - Step 5: Solve for x
x = 1,343,120,687,255,819,776/1,447,410,238.54 - Step 6: Final answer
x = 927,947,482.68
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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.