Finding the Fourth Proportional to 1,437,923,873.04, 1,984,315,543.11 and 802,854,146.94
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Solution
The fourth proportional to 1,437,923,873.04, 1,984,315,543.11 and 802,854,146.94 is: 1,107,927,889.99
Step by Step Solution
- Step 1: Write the proportion equation
1,437,923,873.04 : 1,984,315,543.11 = 802,854,146.94 : x - Step 2: Convert to fraction form
1,437,923,873.04/1,984,315,543.11 = 802,854,146.94/x - Step 3: Cross multiply
1,437,923,873.04x = 1,984,315,543.11 × 802,854,146.94 - Step 4: Simplify right side
1,437,923,873.04x = 1,593,115,962,623,361,792 - Step 5: Solve for x
x = 1,593,115,962,623,361,792/1,437,923,873.04 - Step 6: Final answer
x = 1,107,927,889.99
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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.