Finding the Fourth Proportional to 8,797,864,242.13, 12,141,488,860.91 and 5,457,438,692.53
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Solution
The fourth proportional to 8,797,864,242.13, 12,141,488,860.91 and 5,457,438,692.53 is: 7,531,535,980.87
Step by Step Solution
- Step 1: Write the proportion equation
8,797,864,242.13 : 12,141,488,860.91 = 5,457,438,692.53 : x - Step 2: Convert to fraction form
8,797,864,242.13/12,141,488,860.91 = 5,457,438,692.53/x - Step 3: Cross multiply
8,797,864,242.13x = 12,141,488,860.91 × 5,457,438,692.53 - Step 4: Simplify right side
8,797,864,242.13x = 66,261,431,094,416,424,960 - Step 5: Solve for x
x = 66,261,431,094,416,424,960/8,797,864,242.13 - Step 6: Final answer
x = 7,531,535,980.87
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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.