Finding the Fourth Proportional to 1,724,896,649.63, 2,380,357,376.48 and 982,409,799.71
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Solution
The fourth proportional to 1,724,896,649.63, 2,380,357,376.48 and 982,409,799.71 is: 1,355,725,523.59
Step by Step Solution
- Step 1: Write the proportion equation
1,724,896,649.63 : 2,380,357,376.48 = 982,409,799.71 : x - Step 2: Convert to fraction form
1,724,896,649.63/2,380,357,376.48 = 982,409,799.71/x - Step 3: Cross multiply
1,724,896,649.63x = 2,380,357,376.48 × 982,409,799.71 - Step 4: Simplify right side
1,724,896,649.63x = 2,338,486,413,465,937,920 - Step 5: Solve for x
x = 2,338,486,413,465,937,920/1,724,896,649.63 - Step 6: Final answer
x = 1,355,725,523.59
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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.