Finding the Fourth Proportional to 127,047,246,032.70, 175,328,343,525.06 and 69,178,798,296.45
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Solution
The fourth proportional to 127,047,246,032.70, 175,328,343,525.06 and 69,178,798,296.45 is: 95,468,453,595.99
Step by Step Solution
- Step 1: Write the proportion equation
127,047,246,032.70 : 175,328,343,525.06 = 69,178,798,296.45 : x - Step 2: Convert to fraction form
127,047,246,032.70/175,328,343,525.06 = 69,178,798,296.45/x - Step 3: Cross multiply
127,047,246,032.70x = 175,328,343,525.06 × 69,178,798,296.45 - Step 4: Simplify right side
127,047,246,032.70x = 12,129,004,112,370,821,234,688 - Step 5: Solve for x
x = 12,129,004,112,370,821,234,688/127,047,246,032.70 - Step 6: Final answer
x = 95,468,453,595.99
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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.