Finding the Fourth Proportional to 5,426,134,421.80, 8,139,201,632.70 and 1,341,308,309.80
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Solution
The fourth proportional to 5,426,134,421.80, 8,139,201,632.70 and 1,341,308,309.80 is: 2,011,962,464.70
Step by Step Solution
- Step 1: Write the proportion equation
5,426,134,421.80 : 8,139,201,632.70 = 1,341,308,309.80 : x - Step 2: Convert to fraction form
5,426,134,421.80/8,139,201,632.70 = 1,341,308,309.80/x - Step 3: Cross multiply
5,426,134,421.80x = 8,139,201,632.70 × 1,341,308,309.80 - Step 4: Simplify right side
5,426,134,421.80x = 10,917,178,785,078,237,184 - Step 5: Solve for x
x = 10,917,178,785,078,237,184/5,426,134,421.80 - Step 6: Final answer
x = 2,011,962,464.70
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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.