Finding the Fourth Proportional to 4,926,803,207.94, 6,798,932,133.57 and 2,668,700,163.78
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Solution
The fourth proportional to 4,926,803,207.94, 6,798,932,133.57 and 2,668,700,163.78 is: 3,682,775,733.59
Step by Step Solution
- Step 1: Write the proportion equation
4,926,803,207.94 : 6,798,932,133.57 = 2,668,700,163.78 : x - Step 2: Convert to fraction form
4,926,803,207.94/6,798,932,133.57 = 2,668,700,163.78/x - Step 3: Cross multiply
4,926,803,207.94x = 6,798,932,133.57 × 2,668,700,163.78 - Step 4: Simplify right side
4,926,803,207.94x = 18,144,311,298,387,363,840 - Step 5: Solve for x
x = 18,144,311,298,387,363,840/4,926,803,207.94 - Step 6: Final answer
x = 3,682,775,733.59
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1.5x scale
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.