Finding the Fourth Proportional to 549,612,007.80, 824,418,011.70 and 186,106,363.80
Calculator
Solution
The fourth proportional to 549,612,007.80, 824,418,011.70 and 186,106,363.80 is: 279,159,545.70
Step by Step Solution
- Step 1: Write the proportion equation
549,612,007.80 : 824,418,011.70 = 186,106,363.80 : x - Step 2: Convert to fraction form
549,612,007.80/824,418,011.70 = 186,106,363.80/x - Step 3: Cross multiply
549,612,007.80x = 824,418,011.70 × 186,106,363.80 - Step 4: Simplify right side
549,612,007.80x = 153,429,438,408,712,864 - Step 5: Solve for x
x = 153,429,438,408,712,864/549,612,007.80 - Step 6: Final answer
x = 279,159,545.70
Related Problems
Find fourth proportional to 274,806,003.90, 412,209,005.85 and 93,053,181.90
Half scale
Find fourth proportional to 1,099,224,015.60, 1,648,836,023.40 and 372,212,727.60
Double scale
Find fourth proportional to 549,612,008.80, 824,418,013.20 and 186,106,364.80
Similar ratio
Find fourth proportional to 824,418,011.70, 1,236,627,017.55 and 279,159,545.70
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.