Finding the Fourth Proportional to 359,384,051.70, 539,135,643.12 and 126,154,248.81
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Solution
The fourth proportional to 359,384,051.70, 539,135,643.12 and 126,154,248.81 is: 189,252,282.46
Step by Step Solution
- Step 1: Write the proportion equation
359,384,051.70 : 539,135,643.12 = 126,154,248.81 : x - Step 2: Convert to fraction form
359,384,051.70/539,135,643.12 = 126,154,248.81/x - Step 3: Cross multiply
359,384,051.70x = 539,135,643.12 × 126,154,248.81 - Step 4: Simplify right side
359,384,051.70x = 68,014,252,064,499,848 - Step 5: Solve for x
x = 68,014,252,064,499,848/359,384,051.70 - Step 6: Final answer
x = 189,252,282.46
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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.