Finding the Fourth Proportional to 1,627,926,648.84, 2,246,539,881.60 and 913,363,558.56
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Solution
The fourth proportional to 1,627,926,648.84, 2,246,539,881.60 and 913,363,558.56 is: 1,260,442,331.46
Step by Step Solution
- Step 1: Write the proportion equation
1,627,926,648.84 : 2,246,539,881.60 = 913,363,558.56 : x - Step 2: Convert to fraction form
1,627,926,648.84/2,246,539,881.60 = 913,363,558.56/x - Step 3: Cross multiply
1,627,926,648.84x = 2,246,539,881.60 × 913,363,558.56 - Step 4: Simplify right side
1,627,926,648.84x = 2,051,907,660,705,136,896 - Step 5: Solve for x
x = 2,051,907,660,705,136,896/1,627,926,648.84 - Step 6: Final answer
x = 1,260,442,331.46
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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.