Finding the Fourth Proportional to 775,941,408.36, 1,072,199,835.06 and 552,535,232.13
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Solution
The fourth proportional to 775,941,408.36, 1,072,199,835.06 and 552,535,232.13 is: 763,496,029.95
Step by Step Solution
- Step 1: Write the proportion equation
775,941,408.36 : 1,072,199,835.06 = 552,535,232.13 : x - Step 2: Convert to fraction form
775,941,408.36/1,072,199,835.06 = 552,535,232.13/x - Step 3: Cross multiply
775,941,408.36x = 1,072,199,835.06 × 552,535,232.13 - Step 4: Simplify right side
775,941,408.36x = 592,428,184,754,624,768 - Step 5: Solve for x
x = 592,428,184,754,624,768/775,941,408.36 - Step 6: Final answer
x = 763,496,029.95
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1.5x scale
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.