Finding the Fourth Proportional to 609,010,302.18, 840,290,156.80 and 344,692,295.21
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Solution
The fourth proportional to 609,010,302.18, 840,290,156.80 and 344,692,295.21 is: 475,593,831.09
Step by Step Solution
- Step 1: Write the proportion equation
609,010,302.18 : 840,290,156.80 = 344,692,295.21 : x - Step 2: Convert to fraction form
609,010,302.18/840,290,156.80 = 344,692,295.21/x - Step 3: Cross multiply
609,010,302.18x = 840,290,156.80 × 344,692,295.21 - Step 4: Simplify right side
609,010,302.18x = 289,641,542,789,762,752 - Step 5: Solve for x
x = 289,641,542,789,762,752/609,010,302.18 - Step 6: Final answer
x = 475,593,831.09
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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.