Finding the Fourth Proportional to 1,416,572,751.28, 2,122,013,440.26 and 705,378,711.30
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Solution
The fourth proportional to 1,416,572,751.28, 2,122,013,440.26 and 705,378,711.30 is: 1,056,651,064.69
Step by Step Solution
- Step 1: Write the proportion equation
1,416,572,751.28 : 2,122,013,440.26 = 705,378,711.30 : x - Step 2: Convert to fraction form
1,416,572,751.28/2,122,013,440.26 = 705,378,711.30/x - Step 3: Cross multiply
1,416,572,751.28x = 2,122,013,440.26 × 705,378,711.30 - Step 4: Simplify right side
1,416,572,751.28x = 1,496,823,105,851,878,144 - Step 5: Solve for x
x = 1,496,823,105,851,878,144/1,416,572,751.28 - Step 6: Final answer
x = 1,056,651,064.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.