Finding the Fourth Proportional to 975,269,492.41, 1,345,871,899.61 and 529,232,855.66
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Solution
The fourth proportional to 975,269,492.41, 1,345,871,899.61 and 529,232,855.66 is: 730,341,340.86
Step by Step Solution
- Step 1: Write the proportion equation
975,269,492.41 : 1,345,871,899.61 = 529,232,855.66 : x - Step 2: Convert to fraction form
975,269,492.41/1,345,871,899.61 = 529,232,855.66/x - Step 3: Cross multiply
975,269,492.41x = 1,345,871,899.61 × 529,232,855.66 - Step 4: Simplify right side
975,269,492.41x = 712,279,628,780,503,040 - Step 5: Solve for x
x = 712,279,628,780,503,040/975,269,492.41 - Step 6: Final answer
x = 730,341,340.86
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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.