Finding the Fourth Proportional to 1,612,720,772.36, 2,417,115,869.58 and 835,938,185.48
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Solution
The fourth proportional to 1,612,720,772.36, 2,417,115,869.58 and 835,938,185.48 is: 1,252,888,589.73
Step by Step Solution
- Step 1: Write the proportion equation
1,612,720,772.36 : 2,417,115,869.58 = 835,938,185.48 : x - Step 2: Convert to fraction form
1,612,720,772.36/2,417,115,869.58 = 835,938,185.48/x - Step 3: Cross multiply
1,612,720,772.36x = 2,417,115,869.58 × 835,938,185.48 - Step 4: Simplify right side
1,612,720,772.36x = 2,020,559,454,111,617,536 - Step 5: Solve for x
x = 2,020,559,454,111,617,536/1,612,720,772.36 - Step 6: Final answer
x = 1,252,888,589.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.