Finding the Fourth Proportional to 1,617,851,645.90, 2,234,177,214.09 and 1,529,712,218.06
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Solution
The fourth proportional to 1,617,851,645.90, 2,234,177,214.09 and 1,529,712,218.06 is: 2,112,460,799.71
Step by Step Solution
- Step 1: Write the proportion equation
1,617,851,645.90 : 2,234,177,214.09 = 1,529,712,218.06 : x - Step 2: Convert to fraction form
1,617,851,645.90/2,234,177,214.09 = 1,529,712,218.06/x - Step 3: Cross multiply
1,617,851,645.90x = 2,234,177,214.09 × 1,529,712,218.06 - Step 4: Simplify right side
1,617,851,645.90x = 3,417,648,181,704,725,504 - Step 5: Solve for x
x = 3,417,648,181,704,725,504/1,617,851,645.90 - Step 6: Final answer
x = 2,112,460,799.71
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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.