Finding the Fourth Proportional to 869,015,206.95, 1,199,247,224.19 and 472,535,355.44
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Solution
The fourth proportional to 869,015,206.95, 1,199,247,224.19 and 472,535,355.44 is: 652,102,182.80
Step by Step Solution
- Step 1: Write the proportion equation
869,015,206.95 : 1,199,247,224.19 = 472,535,355.44 : x - Step 2: Convert to fraction form
869,015,206.95/1,199,247,224.19 = 472,535,355.44/x - Step 3: Cross multiply
869,015,206.95x = 1,199,247,224.19 × 472,535,355.44 - Step 4: Simplify right side
869,015,206.95x = 566,686,713,337,058,816 - Step 5: Solve for x
x = 566,686,713,337,058,816/869,015,206.95 - Step 6: Final answer
x = 652,102,182.80
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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.