Finding the Fourth Proportional to 1,518,439,798.95, 2,277,638,438.36 and 598,324,109.19
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Solution
The fourth proportional to 1,518,439,798.95, 2,277,638,438.36 and 598,324,109.19 is: 897,477,786.49
Step by Step Solution
- Step 1: Write the proportion equation
1,518,439,798.95 : 2,277,638,438.36 = 598,324,109.19 : x - Step 2: Convert to fraction form
1,518,439,798.95/2,277,638,438.36 = 598,324,109.19/x - Step 3: Cross multiply
1,518,439,798.95x = 2,277,638,438.36 × 598,324,109.19 - Step 4: Simplify right side
1,518,439,798.95x = 1,362,765,989,685,658,368 - Step 5: Solve for x
x = 1,362,765,989,685,658,368/1,518,439,798.95 - Step 6: Final answer
x = 897,477,786.49
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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.