Finding the Fourth Proportional to 1,447,410,239.54, 2,172,033,623.74 and 618,370,118.99
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Solution
The fourth proportional to 1,447,410,239.54, 2,172,033,623.74 and 618,370,118.99 is: 927,947,484.18
Step by Step Solution
- Step 1: Write the proportion equation
1,447,410,239.54 : 2,172,033,623.74 = 618,370,118.99 : x - Step 2: Convert to fraction form
1,447,410,239.54/2,172,033,623.74 = 618,370,118.99/x - Step 3: Cross multiply
1,447,410,239.54x = 2,172,033,623.74 × 618,370,118.99 - Step 4: Simplify right side
1,447,410,239.54x = 1,343,120,690,362,384,640 - Step 5: Solve for x
x = 1,343,120,690,362,384,640/1,447,410,239.54 - Step 6: Final answer
x = 927,947,484.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.