Finding the Fourth Proportional to 1,574,643,332.02, 2,173,073,814.62 and 905,588,899.28
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Solution
The fourth proportional to 1,574,643,332.02, 2,173,073,814.62 and 905,588,899.28 is: 1,249,750,647.54
Step by Step Solution
- Step 1: Write the proportion equation
1,574,643,332.02 : 2,173,073,814.62 = 905,588,899.28 : x - Step 2: Convert to fraction form
1,574,643,332.02/2,173,073,814.62 = 905,588,899.28/x - Step 3: Cross multiply
1,574,643,332.02x = 2,173,073,814.62 × 905,588,899.28 - Step 4: Simplify right side
1,574,643,332.02x = 1,967,911,523,830,392,832 - Step 5: Solve for x
x = 1,967,911,523,830,392,832/1,574,643,332.02 - Step 6: Final answer
x = 1,249,750,647.54
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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.