Finding the Fourth Proportional to 1,889,571,575.80, 2,834,357,363.70 and 1,272,816,580.60
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Solution
The fourth proportional to 1,889,571,575.80, 2,834,357,363.70 and 1,272,816,580.60 is: 1,909,224,870.90
Step by Step Solution
- Step 1: Write the proportion equation
1,889,571,575.80 : 2,834,357,363.70 = 1,272,816,580.60 : x - Step 2: Convert to fraction form
1,889,571,575.80/2,834,357,363.70 = 1,272,816,580.60/x - Step 3: Cross multiply
1,889,571,575.80x = 2,834,357,363.70 × 1,272,816,580.60 - Step 4: Simplify right side
1,889,571,575.80x = 3,607,617,047,863,064,064 - Step 5: Solve for x
x = 3,607,617,047,863,064,064/1,889,571,575.80 - Step 6: Final answer
x = 1,909,224,870.90
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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.