Finding the Fourth Proportional to 1,646,887,278.18, 2,272,743,933.57 and 894,232,176.78
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Solution
The fourth proportional to 1,646,887,278.18, 2,272,743,933.57 and 894,232,176.78 is: 1,234,061,846.19
Step by Step Solution
- Step 1: Write the proportion equation
1,646,887,278.18 : 2,272,743,933.57 = 894,232,176.78 : x - Step 2: Convert to fraction form
1,646,887,278.18/2,272,743,933.57 = 894,232,176.78/x - Step 3: Cross multiply
1,646,887,278.18x = 2,272,743,933.57 × 894,232,176.78 - Step 4: Simplify right side
1,646,887,278.18x = 2,032,360,754,979,841,024 - Step 5: Solve for x
x = 2,032,360,754,979,841,024/1,646,887,278.18 - Step 6: Final answer
x = 1,234,061,846.19
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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.