Finding the Fourth Proportional to 1,076,139,743.70, 1,614,209,615.55 and 585,088,259.70
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Solution
The fourth proportional to 1,076,139,743.70, 1,614,209,615.55 and 585,088,259.70 is: 877,632,389.55
Step by Step Solution
- Step 1: Write the proportion equation
1,076,139,743.70 : 1,614,209,615.55 = 585,088,259.70 : x - Step 2: Convert to fraction form
1,076,139,743.70/1,614,209,615.55 = 585,088,259.70/x - Step 3: Cross multiply
1,076,139,743.70x = 1,614,209,615.55 × 585,088,259.70 - Step 4: Simplify right side
1,076,139,743.70x = 944,455,094,753,155,584 - Step 5: Solve for x
x = 944,455,094,753,155,584/1,076,139,743.70 - Step 6: Final answer
x = 877,632,389.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.