Finding the Fourth Proportional to 783,559,003.75, 1,175,855,649.58 and 415,352,527.95
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Solution
The fourth proportional to 783,559,003.75, 1,175,855,649.58 and 415,352,527.95 is: 623,302,921.96
Step by Step Solution
- Step 1: Write the proportion equation
783,559,003.75 : 1,175,855,649.58 = 415,352,527.95 : x - Step 2: Convert to fraction form
783,559,003.75/1,175,855,649.58 = 415,352,527.95/x - Step 3: Cross multiply
783,559,003.75x = 1,175,855,649.58 × 415,352,527.95 - Step 4: Simplify right side
783,559,003.75x = 488,394,616,562,291,776 - Step 5: Solve for x
x = 488,394,616,562,291,776/783,559,003.75 - Step 6: Final answer
x = 623,302,921.96
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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.