Finding the Fourth Proportional to 260,392,783.36, 390,604,135.92 and 94,432,420.48
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Solution
The fourth proportional to 260,392,783.36, 390,604,135.92 and 94,432,420.48 is: 141,654,056.34
Step by Step Solution
- Step 1: Write the proportion equation
260,392,783.36 : 390,604,135.92 = 94,432,420.48 : x - Step 2: Convert to fraction form
260,392,783.36/390,604,135.92 = 94,432,420.48/x - Step 3: Cross multiply
260,392,783.36x = 390,604,135.92 × 94,432,420.48 - Step 4: Simplify right side
260,392,783.36x = 36,885,694,004,424,512 - Step 5: Solve for x
x = 36,885,694,004,424,512/260,392,783.36 - Step 6: Final answer
x = 141,654,056.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.