Finding the Fourth Proportional to 1,646,887,288.68, 2,272,743,948.15 and 894,232,187.28
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Solution
The fourth proportional to 1,646,887,288.68, 2,272,743,948.15 and 894,232,187.28 is: 1,234,061,860.73
Step by Step Solution
- Step 1: Write the proportion equation
1,646,887,288.68 : 2,272,743,948.15 = 894,232,187.28 : x - Step 2: Convert to fraction form
1,646,887,288.68/2,272,743,948.15 = 894,232,187.28/x - Step 3: Cross multiply
1,646,887,288.68x = 2,272,743,948.15 × 894,232,187.28 - Step 4: Simplify right side
1,646,887,288.68x = 2,032,360,791,881,557,504 - Step 5: Solve for x
x = 2,032,360,791,881,557,504/1,646,887,288.68 - Step 6: Final answer
x = 1,234,061,860.73
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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.