Finding the Fourth Proportional to 1,021,114,745.08, 1,409,175,934.86 and 569,033,337.53
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Solution
The fourth proportional to 1,021,114,745.08, 1,409,175,934.86 and 569,033,337.53 is: 785,286,951.59
Step by Step Solution
- Step 1: Write the proportion equation
1,021,114,745.08 : 1,409,175,934.86 = 569,033,337.53 : x - Step 2: Convert to fraction form
1,021,114,745.08/1,409,175,934.86 = 569,033,337.53/x - Step 3: Cross multiply
1,021,114,745.08x = 1,409,175,934.86 × 569,033,337.53 - Step 4: Simplify right side
1,021,114,745.08x = 801,868,085,385,971,968 - Step 5: Solve for x
x = 801,868,085,385,971,968/1,021,114,745.08 - Step 6: Final answer
x = 785,286,951.59
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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.