Finding the Fourth Proportional to 1,572,269,094.36, 2,169,716,387.16 and 867,426,769.26
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Solution
The fourth proportional to 1,572,269,094.36, 2,169,716,387.16 and 867,426,769.26 is: 1,197,040,686.40
Step by Step Solution
- Step 1: Write the proportion equation
1,572,269,094.36 : 2,169,716,387.16 = 867,426,769.26 : x - Step 2: Convert to fraction form
1,572,269,094.36/2,169,716,387.16 = 867,426,769.26/x - Step 3: Cross multiply
1,572,269,094.36x = 2,169,716,387.16 × 867,426,769.26 - Step 4: Simplify right side
1,572,269,094.36x = 1,882,070,075,924,677,888 - Step 5: Solve for x
x = 1,882,070,075,924,677,888/1,572,269,094.36 - Step 6: Final answer
x = 1,197,040,686.40
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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.