Finding the Fourth Proportional to 1,299,634,862.08, 1,949,458,928.64 and 437,999,319.04
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Solution
The fourth proportional to 1,299,634,862.08, 1,949,458,928.64 and 437,999,319.04 is: 657,001,214.84
Step by Step Solution
- Step 1: Write the proportion equation
1,299,634,862.08 : 1,949,458,928.64 = 437,999,319.04 : x - Step 2: Convert to fraction form
1,299,634,862.08/1,949,458,928.64 = 437,999,319.04/x - Step 3: Cross multiply
1,299,634,862.08x = 1,949,458,928.64 × 437,999,319.04 - Step 4: Simplify right side
1,299,634,862.08x = 853,861,683,240,768,000 - Step 5: Solve for x
x = 853,861,683,240,768,000/1,299,634,862.08 - Step 6: Final answer
x = 657,001,214.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.