Finding the Fourth Proportional to 293,803,331.60, 440,327,083.80 and 178,665,654.80
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Solution
The fourth proportional to 293,803,331.60, 440,327,083.80 and 178,665,654.80 is: 267,768,667.99
Step by Step Solution
- Step 1: Write the proportion equation
293,803,331.60 : 440,327,083.80 = 178,665,654.80 : x - Step 2: Convert to fraction form
293,803,331.60/440,327,083.80 = 178,665,654.80/x - Step 3: Cross multiply
293,803,331.60x = 440,327,083.80 × 178,665,654.80 - Step 4: Simplify right side
293,803,331.60x = 78,671,326,753,301,472 - Step 5: Solve for x
x = 78,671,326,753,301,472/293,803,331.60 - Step 6: Final answer
x = 267,768,667.99
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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.