Finding the Fourth Proportional to 1,775,458,973.16, 2,664,240,565.50 and 989,170,756.20
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Solution
The fourth proportional to 1,775,458,973.16, 2,664,240,565.50 and 989,170,756.20 is: 1,484,342,299.49
Step by Step Solution
- Step 1: Write the proportion equation
1,775,458,973.16 : 2,664,240,565.50 = 989,170,756.20 : x - Step 2: Convert to fraction form
1,775,458,973.16/2,664,240,565.50 = 989,170,756.20/x - Step 3: Cross multiply
1,775,458,973.16x = 2,664,240,565.50 × 989,170,756.20 - Step 4: Simplify right side
1,775,458,973.16x = 2,635,388,854,874,350,592 - Step 5: Solve for x
x = 2,635,388,854,874,350,592/1,775,458,973.16 - Step 6: Final answer
x = 1,484,342,299.49
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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.