Finding the Fourth Proportional to 1,657,129,254.66, 2,486,021,332.32 and 607,877,199.99
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Solution
The fourth proportional to 1,657,129,254.66, 2,486,021,332.32 and 607,877,199.99 is: 911,935,917.10
Step by Step Solution
- Step 1: Write the proportion equation
1,657,129,254.66 : 2,486,021,332.32 = 607,877,199.99 : x - Step 2: Convert to fraction form
1,657,129,254.66/2,486,021,332.32 = 607,877,199.99/x - Step 3: Cross multiply
1,657,129,254.66x = 2,486,021,332.32 × 607,877,199.99 - Step 4: Simplify right side
1,657,129,254.66x = 1,511,195,686,606,091,008 - Step 5: Solve for x
x = 1,511,195,686,606,091,008/1,657,129,254.66 - Step 6: Final answer
x = 911,935,917.10
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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.