Finding the Fourth Proportional to 370,308,725.23, 555,461,980.68 and 93,959,405.23
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Solution
The fourth proportional to 370,308,725.23, 555,461,980.68 and 93,959,405.23 is: 140,938,826.92
Step by Step Solution
- Step 1: Write the proportion equation
370,308,725.23 : 555,461,980.68 = 93,959,405.23 : x - Step 2: Convert to fraction form
370,308,725.23/555,461,980.68 = 93,959,405.23/x - Step 3: Cross multiply
370,308,725.23x = 555,461,980.68 × 93,959,405.23 - Step 4: Simplify right side
370,308,725.23x = 52,190,877,332,570,552 - Step 5: Solve for x
x = 52,190,877,332,570,552/370,308,725.23 - Step 6: Final answer
x = 140,938,826.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.