Finding the Fourth Proportional to 885,276,567.40, 1,328,292,764.70 and 424,977,802.60
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Solution
The fourth proportional to 885,276,567.40, 1,328,292,764.70 and 424,977,802.60 is: 637,648,121.66
Step by Step Solution
- Step 1: Write the proportion equation
885,276,567.40 : 1,328,292,764.70 = 424,977,802.60 : x - Step 2: Convert to fraction form
885,276,567.40/1,328,292,764.70 = 424,977,802.60/x - Step 3: Cross multiply
885,276,567.40x = 1,328,292,764.70 × 424,977,802.60 - Step 4: Simplify right side
885,276,567.40x = 564,494,940,351,684,928 - Step 5: Solve for x
x = 564,494,940,351,684,928/885,276,567.40 - Step 6: Final answer
x = 637,648,121.66
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1.5x scale
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.