Finding the Fourth Proportional to 8,556,916,374.84, 11,808,316,749.06 and 4,939,818,039.84
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Solution
The fourth proportional to 8,556,916,374.84, 11,808,316,749.06 and 4,939,818,039.84 is: 6,816,817,360.59
Step by Step Solution
- Step 1: Write the proportion equation
8,556,916,374.84 : 11,808,316,749.06 = 4,939,818,039.84 : x - Step 2: Convert to fraction form
8,556,916,374.84/11,808,316,749.06 = 4,939,818,039.84/x - Step 3: Cross multiply
8,556,916,374.84x = 11,808,316,749.06 × 4,939,818,039.84 - Step 4: Simplify right side
8,556,916,374.84x = 58,330,936,097,151,410,176 - Step 5: Solve for x
x = 58,330,936,097,151,410,176/8,556,916,374.84 - Step 6: Final answer
x = 6,816,817,360.59
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Double scale
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1.5x scale
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.