Finding the Fourth Proportional to 156,688,565.60, 219,590,740 and 156,688,565.60
Calculator
Solution
The fourth proportional to 156,688,565.60, 219,590,740 and 156,688,565.60 is: 219,590,740
Step by Step Solution
- Step 1: Write the proportion equation
156,688,565.60 : 219,590,740 = 156,688,565.60 : x - Step 2: Convert to fraction form
156,688,565.60/219,590,740 = 156,688,565.60/x - Step 3: Cross multiply
156,688,565.60x = 219,590,740 × 156,688,565.60 - Step 4: Simplify right side
156,688,565.60x = 34,407,358,069,642,544 - Step 5: Solve for x
x = 34,407,358,069,642,544/156,688,565.60 - Step 6: Final answer
x = 219,590,740
Related Problems
Find fourth proportional to 78,344,282.80, 109,795,370 and 78,344,282.80
Half scale
Find fourth proportional to 313,377,131.20, 439,181,480 and 313,377,131.20
Double scale
Find fourth proportional to 156,688,566.60, 219,590,741.40 and 156,688,566.60
Similar ratio
Find fourth proportional to 235,032,848.40, 329,386,110 and 235,032,848.40
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.