Finding the Fourth Proportional to 260,392,779.36, 390,604,129.92 and 94,432,416.48
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Solution
The fourth proportional to 260,392,779.36, 390,604,129.92 and 94,432,416.48 is: 141,654,050.34
Step by Step Solution
- Step 1: Write the proportion equation
260,392,779.36 : 390,604,129.92 = 94,432,416.48 : x - Step 2: Convert to fraction form
260,392,779.36/390,604,129.92 = 94,432,416.48/x - Step 3: Cross multiply
260,392,779.36x = 390,604,129.92 × 94,432,416.48 - Step 4: Simplify right side
260,392,779.36x = 36,885,691,875,413,472 - Step 5: Solve for x
x = 36,885,691,875,413,472/260,392,779.36 - Step 6: Final answer
x = 141,654,050.34
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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.