Finding the Fourth Proportional to 19,742,193,948.24, 29,408,101,535.61 and 18,672,892,140.96
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Solution
The fourth proportional to 19,742,193,948.24, 29,408,101,535.61 and 18,672,892,140.96 is: 27,815,262,553.12
Step by Step Solution
- Step 1: Write the proportion equation
19,742,193,948.24 : 29,408,101,535.61 = 18,672,892,140.96 : x - Step 2: Convert to fraction form
19,742,193,948.24/29,408,101,535.61 = 18,672,892,140.96/x - Step 3: Cross multiply
19,742,193,948.24x = 29,408,101,535.61 × 18,672,892,140.96 - Step 4: Simplify right side
19,742,193,948.24x = 549,134,308,044,845,678,592 - Step 5: Solve for x
x = 549,134,308,044,845,678,592/19,742,193,948.24 - Step 6: Final answer
x = 27,815,262,553.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.