Finding the Fourth Proportional to 1,574,643,328.74, 2,173,073,810.09 and 905,588,896.01
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Solution
The fourth proportional to 1,574,643,328.74, 2,173,073,810.09 and 905,588,896.01 is: 1,249,750,643.02
Step by Step Solution
- Step 1: Write the proportion equation
1,574,643,328.74 : 2,173,073,810.09 = 905,588,896.01 : x - Step 2: Convert to fraction form
1,574,643,328.74/2,173,073,810.09 = 905,588,896.01/x - Step 3: Cross multiply
1,574,643,328.74x = 2,173,073,810.09 × 905,588,896.01 - Step 4: Simplify right side
1,574,643,328.74x = 1,967,911,512,612,254,208 - Step 5: Solve for x
x = 1,967,911,512,612,254,208/1,574,643,328.74 - Step 6: Final answer
x = 1,249,750,643.02
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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.