Finding the Fourth Proportional to 1,625,483,302.79, 2,243,353,039.71 and 911,211,771.94
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Solution
The fourth proportional to 1,625,483,302.79, 2,243,353,039.71 and 911,211,771.94 is: 1,257,576,558.86
Step by Step Solution
- Step 1: Write the proportion equation
1,625,483,302.79 : 2,243,353,039.71 = 911,211,771.94 : x - Step 2: Convert to fraction form
1,625,483,302.79/2,243,353,039.71 = 911,211,771.94/x - Step 3: Cross multiply
1,625,483,302.79x = 2,243,353,039.71 × 911,211,771.94 - Step 4: Simplify right side
1,625,483,302.79x = 2,044,169,698,395,525,888 - Step 5: Solve for x
x = 2,044,169,698,395,525,888/1,625,483,302.79 - Step 6: Final answer
x = 1,257,576,558.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.