Finding the Fourth Proportional to 6,395,210,423.09, 8,824,798,123.70 and 3,537,291,125.80
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Solution
The fourth proportional to 6,395,210,423.09, 8,824,798,123.70 and 3,537,291,125.80 is: 4,881,134,165.22
Step by Step Solution
- Step 1: Write the proportion equation
6,395,210,423.09 : 8,824,798,123.70 = 3,537,291,125.80 : x - Step 2: Convert to fraction form
6,395,210,423.09/8,824,798,123.70 = 3,537,291,125.80/x - Step 3: Cross multiply
6,395,210,423.09x = 8,824,798,123.70 × 3,537,291,125.80 - Step 4: Simplify right side
6,395,210,423.09x = 31,215,880,089,940,504,576 - Step 5: Solve for x
x = 31,215,880,089,940,504,576/6,395,210,423.09 - Step 6: Final answer
x = 4,881,134,165.22
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1.5x scale
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.