Finding the Fourth Proportional to 1,021,070,427.34, 1,532,051,136.64 and 357,560,669.23
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Solution
The fourth proportional to 1,021,070,427.34, 1,532,051,136.64 and 357,560,669.23 is: 536,497,008.47
Step by Step Solution
- Step 1: Write the proportion equation
1,021,070,427.34 : 1,532,051,136.64 = 357,560,669.23 : x - Step 2: Convert to fraction form
1,021,070,427.34/1,532,051,136.64 = 357,560,669.23/x - Step 3: Cross multiply
1,021,070,427.34x = 1,532,051,136.64 × 357,560,669.23 - Step 4: Simplify right side
1,021,070,427.34x = 547,801,229,704,814,208 - Step 5: Solve for x
x = 547,801,229,704,814,208/1,021,070,427.34 - Step 6: Final answer
x = 536,497,008.47
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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.