Finding the Fourth Proportional to 1,570,498,603.70, 2,355,747,905.55 and 1,328,633,899.70
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Solution
The fourth proportional to 1,570,498,603.70, 2,355,747,905.55 and 1,328,633,899.70 is: 1,992,950,849.55
Step by Step Solution
- Step 1: Write the proportion equation
1,570,498,603.70 : 2,355,747,905.55 = 1,328,633,899.70 : x - Step 2: Convert to fraction form
1,570,498,603.70/2,355,747,905.55 = 1,328,633,899.70/x - Step 3: Cross multiply
1,570,498,603.70x = 2,355,747,905.55 × 1,328,633,899.70 - Step 4: Simplify right side
1,570,498,603.70x = 3,129,926,526,461,004,288 - Step 5: Solve for x
x = 3,129,926,526,461,004,288/1,570,498,603.70 - Step 6: Final answer
x = 1,992,950,849.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.