Finding the Fourth Proportional to 1,256,246,436.06, 1,883,497,032.90 and 556,357,184.82
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Solution
The fourth proportional to 1,256,246,436.06, 1,883,497,032.90 and 556,357,184.82 is: 834,149,317.17
Step by Step Solution
- Step 1: Write the proportion equation
1,256,246,436.06 : 1,883,497,032.90 = 556,357,184.82 : x - Step 2: Convert to fraction form
1,256,246,436.06/1,883,497,032.90 = 556,357,184.82/x - Step 3: Cross multiply
1,256,246,436.06x = 1,883,497,032.90 × 556,357,184.82 - Step 4: Simplify right side
1,256,246,436.06x = 1,047,897,106,841,067,136 - Step 5: Solve for x
x = 1,047,897,106,841,067,136/1,256,246,436.06 - Step 6: Final answer
x = 834,149,317.17
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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.