Finding the Fourth Proportional to 3,437,879,875.29, 5,156,813,380.73 and 1,077,221,555.42
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Solution
The fourth proportional to 3,437,879,875.29, 5,156,813,380.73 and 1,077,221,555.42 is: 1,615,830,317.66
Step by Step Solution
- Step 1: Write the proportion equation
3,437,879,875.29 : 5,156,813,380.73 = 1,077,221,555.42 : x - Step 2: Convert to fraction form
3,437,879,875.29/5,156,813,380.73 = 1,077,221,555.42/x - Step 3: Cross multiply
3,437,879,875.29x = 5,156,813,380.73 × 1,077,221,555.42 - Step 4: Simplify right side
3,437,879,875.29x = 5,555,030,530,969,468,928 - Step 5: Solve for x
x = 5,555,030,530,969,468,928/3,437,879,875.29 - Step 6: Final answer
x = 1,615,830,317.66
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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.