Finding the Fourth Proportional to 13,491,595,712,289, 18,618,402,082,959 and 7,717,480,744,232.50
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Solution
The fourth proportional to 13,491,595,712,289, 18,618,402,082,959 and 7,717,480,744,232.50 is: 10,650,123,427,040.95
Step by Step Solution
- Step 1: Write the proportion equation
13,491,595,712,289 : 18,618,402,082,959 = 7,717,480,744,232.50 : x - Step 2: Convert to fraction form
13,491,595,712,289/18,618,402,082,959 = 7,717,480,744,232.50/x - Step 3: Cross multiply
13,491,595,712,289x = 18,618,402,082,959 × 7,717,480,744,232.50 - Step 4: Simplify right side
13,491,595,712,289x = 143,687,159,563,614,357,658,009,600 - Step 5: Solve for x
x = 143,687,159,563,614,357,658,009,600/13,491,595,712,289 - Step 6: Final answer
x = 10,650,123,427,040.95
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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.