Finding the Fourth Proportional to 1,350,449,010.64, 1,863,814,569.75 and 778,122,449.08
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Solution
The fourth proportional to 1,350,449,010.64, 1,863,814,569.75 and 778,122,449.08 is: 1,073,921,300.41
Step by Step Solution
- Step 1: Write the proportion equation
1,350,449,010.64 : 1,863,814,569.75 = 778,122,449.08 : x - Step 2: Convert to fraction form
1,350,449,010.64/1,863,814,569.75 = 778,122,449.08/x - Step 3: Cross multiply
1,350,449,010.64x = 1,863,814,569.75 × 778,122,449.08 - Step 4: Simplify right side
1,350,449,010.64x = 1,450,275,957,643,769,856 - Step 5: Solve for x
x = 1,450,275,957,643,769,856/1,350,449,010.64 - Step 6: Final answer
x = 1,073,921,300.41
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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.