Finding the Fourth Proportional to 843,079,937.08, 1,163,572,070.05 and 485,779,308.26
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Solution
The fourth proportional to 843,079,937.08, 1,163,572,070.05 and 485,779,308.26 is: 670,445,601.22
Step by Step Solution
- Step 1: Write the proportion equation
843,079,937.08 : 1,163,572,070.05 = 485,779,308.26 : x - Step 2: Convert to fraction form
843,079,937.08/1,163,572,070.05 = 485,779,308.26/x - Step 3: Cross multiply
843,079,937.08x = 1,163,572,070.05 × 485,779,308.26 - Step 4: Simplify right side
843,079,937.08x = 565,239,235,293,727,360 - Step 5: Solve for x
x = 565,239,235,293,727,360/843,079,937.08 - Step 6: Final answer
x = 670,445,601.22
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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.