Finding the Fourth Proportional to 1,395,831,248.84, 1,926,241,302.68 and 769,298,181.50
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Solution
The fourth proportional to 1,395,831,248.84, 1,926,241,302.68 and 769,298,181.50 is: 1,061,628,282.43
Step by Step Solution
- Step 1: Write the proportion equation
1,395,831,248.84 : 1,926,241,302.68 = 769,298,181.50 : x - Step 2: Convert to fraction form
1,395,831,248.84/1,926,241,302.68 = 769,298,181.50/x - Step 3: Cross multiply
1,395,831,248.84x = 1,926,241,302.68 × 769,298,181.50 - Step 4: Simplify right side
1,395,831,248.84x = 1,481,853,931,268,437,248 - Step 5: Solve for x
x = 1,481,853,931,268,437,248/1,395,831,248.84 - Step 6: Final answer
x = 1,061,628,282.43
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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.