Finding the Fourth Proportional to 1,593,820,649.06, 2,199,480,135 and 879,356,166.39
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Solution
The fourth proportional to 1,593,820,649.06, 2,199,480,135 and 879,356,166.39 is: 1,213,515,724.44
Step by Step Solution
- Step 1: Write the proportion equation
1,593,820,649.06 : 2,199,480,135 = 879,356,166.39 : x - Step 2: Convert to fraction form
1,593,820,649.06/2,199,480,135 = 879,356,166.39/x - Step 3: Cross multiply
1,593,820,649.06x = 2,199,480,135 × 879,356,166.39 - Step 4: Simplify right side
1,593,820,649.06x = 1,934,126,419,564,559,616 - Step 5: Solve for x
x = 1,934,126,419,564,559,616/1,593,820,649.06 - Step 6: Final answer
x = 1,213,515,724.44
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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.