Finding the Fourth Proportional to 1,698,986,541.48, 2,344,719,265.92 and 1,029,959,784.51
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Solution
The fourth proportional to 1,698,986,541.48, 2,344,719,265.92 and 1,029,959,784.51 is: 1,421,415,938.80
Step by Step Solution
- Step 1: Write the proportion equation
1,698,986,541.48 : 2,344,719,265.92 = 1,029,959,784.51 : x - Step 2: Convert to fraction form
1,698,986,541.48/2,344,719,265.92 = 1,029,959,784.51/x - Step 3: Cross multiply
1,698,986,541.48x = 2,344,719,265.92 × 1,029,959,784.51 - Step 4: Simplify right side
1,698,986,541.48x = 2,414,966,549,863,408,640 - Step 5: Solve for x
x = 2,414,966,549,863,408,640/1,698,986,541.48 - Step 6: Final answer
x = 1,421,415,938.80
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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.