Finding the Fourth Proportional to 1,344,600,840.26, 1,855,549,163.13 and 726,502,152.26
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Solution
The fourth proportional to 1,344,600,840.26, 1,855,549,163.13 and 726,502,152.26 is: 1,002,572,972.05
Step by Step Solution
- Step 1: Write the proportion equation
1,344,600,840.26 : 1,855,549,163.13 = 726,502,152.26 : x - Step 2: Convert to fraction form
1,344,600,840.26/1,855,549,163.13 = 726,502,152.26/x - Step 3: Cross multiply
1,344,600,840.26x = 1,855,549,163.13 × 726,502,152.26 - Step 4: Simplify right side
1,344,600,840.26x = 1,348,060,460,638,187,008 - Step 5: Solve for x
x = 1,348,060,460,638,187,008/1,344,600,840.26 - Step 6: Final answer
x = 1,002,572,972.05
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1.5x scale
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.