Finding the Fourth Proportional to 1,417,178,465.40, 2,125,767,698.10 and 1,305,256,990.80
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Solution
The fourth proportional to 1,417,178,465.40, 2,125,767,698.10 and 1,305,256,990.80 is: 1,957,885,486.20
Step by Step Solution
- Step 1: Write the proportion equation
1,417,178,465.40 : 2,125,767,698.10 = 1,305,256,990.80 : x - Step 2: Convert to fraction form
1,417,178,465.40/2,125,767,698.10 = 1,305,256,990.80/x - Step 3: Cross multiply
1,417,178,465.40x = 2,125,767,698.10 × 1,305,256,990.80 - Step 4: Simplify right side
1,417,178,465.40x = 2,774,673,148,761,848,832 - Step 5: Solve for x
x = 2,774,673,148,761,848,832/1,417,178,465.40 - Step 6: Final answer
x = 1,957,885,486.20
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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.