Finding the Fourth Proportional to 1,425,432,448,659.70, 1,967,134,060,539.40 and 775,149,064,713.08
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Solution
The fourth proportional to 1,425,432,448,659.70, 1,967,134,060,539.40 and 775,149,064,713.08 is: 1,069,725,982,894.60
Step by Step Solution
- Step 1: Write the proportion equation
1,425,432,448,659.70 : 1,967,134,060,539.40 = 775,149,064,713.08 : x - Step 2: Convert to fraction form
1,425,432,448,659.70/1,967,134,060,539.40 = 775,149,064,713.08/x - Step 3: Cross multiply
1,425,432,448,659.70x = 1,967,134,060,539.40 × 775,149,064,713.08 - Step 4: Simplify right side
1,425,432,448,659.70x = 1,524,822,127,192,359,068,237,824 - Step 5: Solve for x
x = 1,524,822,127,192,359,068,237,824/1,425,432,448,659.70 - Step 6: Final answer
x = 1,069,725,982,894.60
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Double scale
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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.