Finding the Fourth Proportional to 590,478,934.70, 885,718,402.05 and 344,583,152.30
Calculator
Solution
The fourth proportional to 590,478,934.70, 885,718,402.05 and 344,583,152.30 is: 516,874,728.45
Step by Step Solution
- Step 1: Write the proportion equation
590,478,934.70 : 885,718,402.05 = 344,583,152.30 : x - Step 2: Convert to fraction form
590,478,934.70/885,718,402.05 = 344,583,152.30/x - Step 3: Cross multiply
590,478,934.70x = 885,718,402.05 × 344,583,152.30 - Step 4: Simplify right side
590,478,934.70x = 305,203,639,028,507,776 - Step 5: Solve for x
x = 305,203,639,028,507,776/590,478,934.70 - Step 6: Final answer
x = 516,874,728.45
Related Problems
Find fourth proportional to 295,239,467.35, 442,859,201.03 and 172,291,576.15
Half scale
Find fourth proportional to 1,180,957,869.40, 1,771,436,804.10 and 689,166,304.60
Double scale
Find fourth proportional to 590,478,935.70, 885,718,403.55 and 344,583,153.30
Similar ratio
Find fourth proportional to 885,718,402.05, 1,328,577,603.08 and 516,874,728.45
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.