Finding the Fourth Proportional to 705,767,401.80, 1,058,651,102.70 and 245,552,617.80
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Solution
The fourth proportional to 705,767,401.80, 1,058,651,102.70 and 245,552,617.80 is: 368,328,926.70
Step by Step Solution
- Step 1: Write the proportion equation
705,767,401.80 : 1,058,651,102.70 = 245,552,617.80 : x - Step 2: Convert to fraction form
705,767,401.80/1,058,651,102.70 = 245,552,617.80/x - Step 3: Cross multiply
705,767,401.80x = 1,058,651,102.70 × 245,552,617.80 - Step 4: Simplify right side
705,767,401.80x = 259,954,549,604,841,664 - Step 5: Solve for x
x = 259,954,549,604,841,664/705,767,401.80 - Step 6: Final answer
x = 368,328,926.70
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1.5x scale
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.