Finding the Fourth Proportional to 821,592,208,560.06, 1,133,798,581,618 and 455,786,421,309.70
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Solution
The fourth proportional to 821,592,208,560.06, 1,133,798,581,618 and 455,786,421,309.70 is: 628,986,001,349.00
Step by Step Solution
- Step 1: Write the proportion equation
821,592,208,560.06 : 1,133,798,581,618 = 455,786,421,309.70 : x - Step 2: Convert to fraction form
821,592,208,560.06/1,133,798,581,618 = 455,786,421,309.70/x - Step 3: Cross multiply
821,592,208,560.06x = 1,133,798,581,618 × 455,786,421,309.70 - Step 4: Simplify right side
821,592,208,560.06x = 516,769,998,001,682,021,089,280 - Step 5: Solve for x
x = 516,769,998,001,682,021,089,280/821,592,208,560.06 - Step 6: Final answer
x = 628,986,001,349.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.