Finding the Fourth Proportional to 562,626,492.36, 776,414,283.12 and 311,729,969.04
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Solution
The fourth proportional to 562,626,492.36, 776,414,283.12 and 311,729,969.04 is: 430,181,663.55
Step by Step Solution
- Step 1: Write the proportion equation
562,626,492.36 : 776,414,283.12 = 311,729,969.04 : x - Step 2: Convert to fraction form
562,626,492.36/776,414,283.12 = 311,729,969.04/x - Step 3: Cross multiply
562,626,492.36x = 776,414,283.12 × 311,729,969.04 - Step 4: Simplify right side
562,626,492.36x = 242,031,600,439,211,424 - Step 5: Solve for x
x = 242,031,600,439,211,424/562,626,492.36 - Step 6: Final answer
x = 430,181,663.55
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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.