Finding the Fourth Proportional to 787,251,551.97, 1,180,420,467.90 and 372,724,893.24
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Solution
The fourth proportional to 787,251,551.97, 1,180,420,467.90 and 372,724,893.24 is: 558,871,039.09
Step by Step Solution
- Step 1: Write the proportion equation
787,251,551.97 : 1,180,420,467.90 = 372,724,893.24 : x - Step 2: Convert to fraction form
787,251,551.97/1,180,420,467.90 = 372,724,893.24/x - Step 3: Cross multiply
787,251,551.97x = 1,180,420,467.90 × 372,724,893.24 - Step 4: Simplify right side
787,251,551.97x = 439,972,092,876,338,368 - Step 5: Solve for x
x = 439,972,092,876,338,368/787,251,551.97 - Step 6: Final answer
x = 558,871,039.09
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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.