Finding the Fourth Proportional to 531,454,511.80, 797,181,767.70 and 167,948,867.80
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Solution
The fourth proportional to 531,454,511.80, 797,181,767.70 and 167,948,867.80 is: 251,923,301.70
Step by Step Solution
- Step 1: Write the proportion equation
531,454,511.80 : 797,181,767.70 = 167,948,867.80 : x - Step 2: Convert to fraction form
531,454,511.80/797,181,767.70 = 167,948,867.80/x - Step 3: Cross multiply
531,454,511.80x = 797,181,767.70 × 167,948,867.80 - Step 4: Simplify right side
531,454,511.80x = 133,885,775,316,017,632 - Step 5: Solve for x
x = 133,885,775,316,017,632/531,454,511.80 - Step 6: Final answer
x = 251,923,301.70
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Similar ratio
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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.