Finding the Fourth Proportional to 929,919,864.96, 1,283,289,482.94 and 512,232,150.26
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Solution
The fourth proportional to 929,919,864.96, 1,283,289,482.94 and 512,232,150.26 is: 706,880,405.52
Step by Step Solution
- Step 1: Write the proportion equation
929,919,864.96 : 1,283,289,482.94 = 512,232,150.26 : x - Step 2: Convert to fraction form
929,919,864.96/1,283,289,482.94 = 512,232,150.26/x - Step 3: Cross multiply
929,919,864.96x = 1,283,289,482.94 × 512,232,150.26 - Step 4: Simplify right side
929,919,864.96x = 657,342,131,246,436,480 - Step 5: Solve for x
x = 657,342,131,246,436,480/929,919,864.96 - Step 6: Final answer
x = 706,880,405.52
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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.