Finding the Fourth Proportional to 1,960,660,261.32, 2,940,988,595.04 and 614,580,109.24
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Solution
The fourth proportional to 1,960,660,261.32, 2,940,988,595.04 and 614,580,109.24 is: 921,869,600.60
Step by Step Solution
- Step 1: Write the proportion equation
1,960,660,261.32 : 2,940,988,595.04 = 614,580,109.24 : x - Step 2: Convert to fraction form
1,960,660,261.32/2,940,988,595.04 = 614,580,109.24/x - Step 3: Cross multiply
1,960,660,261.32x = 2,940,988,595.04 × 614,580,109.24 - Step 4: Simplify right side
1,960,660,261.32x = 1,807,473,092,013,277,440 - Step 5: Solve for x
x = 1,807,473,092,013,277,440/1,960,660,261.32 - Step 6: Final answer
x = 921,869,600.60
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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.