Finding the Fourth Proportional to 432,412,767.68, 649,653,909.20 and 277,270,534.40
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Solution
The fourth proportional to 432,412,767.68, 649,653,909.20 and 277,270,534.40 is: 416,569,306.09
Step by Step Solution
- Step 1: Write the proportion equation
432,412,767.68 : 649,653,909.20 = 277,270,534.40 : x - Step 2: Convert to fraction form
432,412,767.68/649,653,909.20 = 277,270,534.40/x - Step 3: Cross multiply
432,412,767.68x = 649,653,909.20 × 277,270,534.40 - Step 4: Simplify right side
432,412,767.68x = 180,129,886,578,933,088 - Step 5: Solve for x
x = 180,129,886,578,933,088/432,412,767.68 - Step 6: Final answer
x = 416,569,306.09
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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.