Finding the Fourth Proportional to 1,108,212,283.35, 1,529,350,842.87 and 606,464,663.49
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Solution
The fourth proportional to 1,108,212,283.35, 1,529,350,842.87 and 606,464,663.49 is: 836,931,026.86
Step by Step Solution
- Step 1: Write the proportion equation
1,108,212,283.35 : 1,529,350,842.87 = 606,464,663.49 : x - Step 2: Convert to fraction form
1,108,212,283.35/1,529,350,842.87 = 606,464,663.49/x - Step 3: Cross multiply
1,108,212,283.35x = 1,529,350,842.87 × 606,464,663.49 - Step 4: Simplify right side
1,108,212,283.35x = 927,497,244,279,302,400 - Step 5: Solve for x
x = 927,497,244,279,302,400/1,108,212,283.35 - Step 6: Final answer
x = 836,931,026.86
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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.