Finding the Fourth Proportional to 2,437,893,206.81, 3,655,942,847.74 and 842,121,373.74
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Solution
The fourth proportional to 2,437,893,206.81, 3,655,942,847.74 and 842,121,373.74 is: 1,262,872,222.89
Step by Step Solution
- Step 1: Write the proportion equation
2,437,893,206.81 : 3,655,942,847.74 = 842,121,373.74 : x - Step 2: Convert to fraction form
2,437,893,206.81/3,655,942,847.74 = 842,121,373.74/x - Step 3: Cross multiply
2,437,893,206.81x = 3,655,942,847.74 × 842,121,373.74 - Step 4: Simplify right side
2,437,893,206.81x = 3,078,747,613,249,525,760 - Step 5: Solve for x
x = 3,078,747,613,249,525,760/2,437,893,206.81 - Step 6: Final answer
x = 1,262,872,222.89
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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.