Finding the Fourth Proportional to 838,766,569.80, 1,258,149,854.70 and 475,969,513.80
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Solution
The fourth proportional to 838,766,569.80, 1,258,149,854.70 and 475,969,513.80 is: 713,954,270.70
Step by Step Solution
- Step 1: Write the proportion equation
838,766,569.80 : 1,258,149,854.70 = 475,969,513.80 : x - Step 2: Convert to fraction form
838,766,569.80/1,258,149,854.70 = 475,969,513.80/x - Step 3: Cross multiply
838,766,569.80x = 1,258,149,854.70 × 475,969,513.80 - Step 4: Simplify right side
838,766,569.80x = 598,840,974,629,099,648 - Step 5: Solve for x
x = 598,840,974,629,099,648/838,766,569.80 - Step 6: Final answer
x = 713,954,270.70
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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.