Finding the Fourth Proportional to 1,197,542,703.30, 1,796,314,054.95 and 679,773,077.70
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Solution
The fourth proportional to 1,197,542,703.30, 1,796,314,054.95 and 679,773,077.70 is: 1,019,659,616.55
Step by Step Solution
- Step 1: Write the proportion equation
1,197,542,703.30 : 1,796,314,054.95 = 679,773,077.70 : x - Step 2: Convert to fraction form
1,197,542,703.30/1,796,314,054.95 = 679,773,077.70/x - Step 3: Cross multiply
1,197,542,703.30x = 1,796,314,054.95 × 679,773,077.70 - Step 4: Simplify right side
1,197,542,703.30x = 1,221,085,933,649,128,448 - Step 5: Solve for x
x = 1,221,085,933,649,128,448/1,197,542,703.30 - Step 6: Final answer
x = 1,019,659,616.55
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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.