Finding the Fourth Proportional to 1,642,316,373.28, 2,266,349,772.48 and 964,122,419.01
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Solution
The fourth proportional to 1,642,316,373.28, 2,266,349,772.48 and 964,122,419.01 is: 1,330,461,450.99
Step by Step Solution
- Step 1: Write the proportion equation
1,642,316,373.28 : 2,266,349,772.48 = 964,122,419.01 : x - Step 2: Convert to fraction form
1,642,316,373.28/2,266,349,772.48 = 964,122,419.01/x - Step 3: Cross multiply
1,642,316,373.28x = 2,266,349,772.48 × 964,122,419.01 - Step 4: Simplify right side
1,642,316,373.28x = 2,185,038,624,977,764,608 - Step 5: Solve for x
x = 2,185,038,624,977,764,608/1,642,316,373.28 - Step 6: Final answer
x = 1,330,461,450.99
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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.