Finding the Fourth Proportional to 1,471,853,430.18, 2,031,181,680.78 and 802,798,305.66
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Solution
The fourth proportional to 1,471,853,430.18, 2,031,181,680.78 and 802,798,305.66 is: 1,107,874,723.38
Step by Step Solution
- Step 1: Write the proportion equation
1,471,853,430.18 : 2,031,181,680.78 = 802,798,305.66 : x - Step 2: Convert to fraction form
1,471,853,430.18/2,031,181,680.78 = 802,798,305.66/x - Step 3: Cross multiply
1,471,853,430.18x = 2,031,181,680.78 × 802,798,305.66 - Step 4: Simplify right side
1,471,853,430.18x = 1,630,629,211,817,814,784 - Step 5: Solve for x
x = 1,630,629,211,817,814,784/1,471,853,430.18 - Step 6: Final answer
x = 1,107,874,723.38
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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.