Finding the Fourth Proportional to 1,608,053,671.99, 2,219,180,783.19 and 893,586,557.53
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Solution
The fourth proportional to 1,608,053,671.99, 2,219,180,783.19 and 893,586,557.53 is: 1,233,186,523.02
Step by Step Solution
- Step 1: Write the proportion equation
1,608,053,671.99 : 2,219,180,783.19 = 893,586,557.53 : x - Step 2: Convert to fraction form
1,608,053,671.99/2,219,180,783.19 = 893,586,557.53/x - Step 3: Cross multiply
1,608,053,671.99x = 2,219,180,783.19 × 893,586,557.53 - Step 4: Simplify right side
1,608,053,671.99x = 1,983,030,116,600,779,776 - Step 5: Solve for x
x = 1,983,030,116,600,779,776/1,608,053,671.99 - Step 6: Final answer
x = 1,233,186,523.02
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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.