Finding the Fourth Proportional to 384,197,258.34, 530,192,387.70 and 207,985,248
Calculator
Solution
The fourth proportional to 384,197,258.34, 530,192,387.70 and 207,985,248 is: 287,019,734.91
Step by Step Solution
- Step 1: Write the proportion equation
384,197,258.34 : 530,192,387.70 = 207,985,248 : x - Step 2: Convert to fraction form
384,197,258.34/530,192,387.70 = 207,985,248/x - Step 3: Cross multiply
384,197,258.34x = 530,192,387.70 × 207,985,248 - Step 4: Simplify right side
384,197,258.34x = 110,272,195,243,496,640 - Step 5: Solve for x
x = 110,272,195,243,496,640/384,197,258.34 - Step 6: Final answer
x = 287,019,734.91
Related Problems
Find fourth proportional to 192,098,629.17, 265,096,193.85 and 103,992,624
Half scale
Find fourth proportional to 768,394,516.68, 1,060,384,775.40 and 415,970,496
Double scale
Find fourth proportional to 384,197,259.34, 530,192,389.08 and 207,985,249
Similar ratio
Find fourth proportional to 576,295,887.51, 795,288,581.55 and 311,977,872
1.5x scale
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.