Finding the Fourth Proportional to 1,137,402,426.70, 1,706,103,640.05 and 984,347,418.70
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Solution
The fourth proportional to 1,137,402,426.70, 1,706,103,640.05 and 984,347,418.70 is: 1,476,521,128.05
Step by Step Solution
- Step 1: Write the proportion equation
1,137,402,426.70 : 1,706,103,640.05 = 984,347,418.70 : x - Step 2: Convert to fraction form
1,137,402,426.70/1,706,103,640.05 = 984,347,418.70/x - Step 3: Cross multiply
1,137,402,426.70x = 1,706,103,640.05 × 984,347,418.70 - Step 4: Simplify right side
1,137,402,426.70x = 1,679,398,714,117,891,584 - Step 5: Solve for x
x = 1,679,398,714,117,891,584/1,137,402,426.70 - Step 6: Final answer
x = 1,476,521,128.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.