Finding the Fourth Proportional to 1,407,104,929,283.80, 1,941,698,236,507 and 789,688,404,149.80
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Solution
The fourth proportional to 1,407,104,929,283.80, 1,941,698,236,507 and 789,688,404,149.80 is: 1,089,710,191,341.70
Step by Step Solution
- Step 1: Write the proportion equation
1,407,104,929,283.80 : 1,941,698,236,507 = 789,688,404,149.80 : x - Step 2: Convert to fraction form
1,407,104,929,283.80/1,941,698,236,507 = 789,688,404,149.80/x - Step 3: Cross multiply
1,407,104,929,283.80x = 1,941,698,236,507 × 789,688,404,149.80 - Step 4: Simplify right side
1,407,104,929,283.80x = 1,533,336,581,727,693,928,660,992 - Step 5: Solve for x
x = 1,533,336,581,727,693,928,660,992/1,407,104,929,283.80 - Step 6: Final answer
x = 1,089,710,191,341.70
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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.