Finding the Fourth Proportional to 361,195,210.99, 498,440,913.42 and 212,525,961.35
Calculator
Solution
The fourth proportional to 361,195,210.99, 498,440,913.42 and 212,525,961.35 is: 293,280,838.39
Step by Step Solution
- Step 1: Write the proportion equation
361,195,210.99 : 498,440,913.42 = 212,525,961.35 : x - Step 2: Convert to fraction form
361,195,210.99/498,440,913.42 = 212,525,961.35/x - Step 3: Cross multiply
361,195,210.99x = 498,440,913.42 × 212,525,961.35 - Step 4: Simplify right side
361,195,210.99x = 105,931,634,301,863,616 - Step 5: Solve for x
x = 105,931,634,301,863,616/361,195,210.99 - Step 6: Final answer
x = 293,280,838.39
Related Problems
Find fourth proportional to 180,597,605.49, 249,220,456.71 and 106,262,980.68
Half scale
Find fourth proportional to 722,390,421.97, 996,881,826.85 and 425,051,922.70
Double scale
Find fourth proportional to 361,195,211.99, 498,440,914.80 and 212,525,962.35
Similar ratio
Find fourth proportional to 541,792,816.48, 747,661,370.14 and 318,788,942.03
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.