Finding the Fourth Proportional to 8,749,900,395.70, 13,125,435,750.51 and 3,076,811,158.58
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Solution
The fourth proportional to 8,749,900,395.70, 13,125,435,750.51 and 3,076,811,158.58 is: 4,615,422,502.21
Step by Step Solution
- Step 1: Write the proportion equation
8,749,900,395.70 : 13,125,435,750.51 = 3,076,811,158.58 : x - Step 2: Convert to fraction form
8,749,900,395.70/13,125,435,750.51 = 3,076,811,158.58/x - Step 3: Cross multiply
8,749,900,395.70x = 13,125,435,750.51 × 3,076,811,158.58 - Step 4: Simplify right side
8,749,900,395.70x = 40,384,487,178,394,025,984 - Step 5: Solve for x
x = 40,384,487,178,394,025,984/8,749,900,395.70 - Step 6: Final answer
x = 4,615,422,502.21
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1.5x scale
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.