Finding the Fourth Proportional to 147,780,512,610.91, 221,551,478,068.30 and 135,852,063,626.07
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Solution
The fourth proportional to 147,780,512,610.91, 221,551,478,068.30 and 135,852,063,626.07 is: 203,668,433,430.26
Step by Step Solution
- Step 1: Write the proportion equation
147,780,512,610.91 : 221,551,478,068.30 = 135,852,063,626.07 : x - Step 2: Convert to fraction form
147,780,512,610.91/221,551,478,068.30 = 135,852,063,626.07/x - Step 3: Cross multiply
147,780,512,610.91x = 221,551,478,068.30 × 135,852,063,626.07 - Step 4: Simplify right side
147,780,512,610.91x = 30,098,225,494,984,545,533,952 - Step 5: Solve for x
x = 30,098,225,494,984,545,533,952/147,780,512,610.91 - Step 6: Final answer
x = 203,668,433,430.26
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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.