Finding the Fourth Proportional to 783,559,004.75, 1,175,855,651.08 and 415,352,528.95
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Solution
The fourth proportional to 783,559,004.75, 1,175,855,651.08 and 415,352,528.95 is: 623,302,923.45
Step by Step Solution
- Step 1: Write the proportion equation
783,559,004.75 : 1,175,855,651.08 = 415,352,528.95 : x - Step 2: Convert to fraction form
783,559,004.75/1,175,855,651.08 = 415,352,528.95/x - Step 3: Cross multiply
783,559,004.75x = 1,175,855,651.08 × 415,352,528.95 - Step 4: Simplify right side
783,559,004.75x = 488,394,618,356,226,752 - Step 5: Solve for x
x = 488,394,618,356,226,752/783,559,004.75 - Step 6: Final answer
x = 623,302,923.45
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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.