Finding the Fourth Proportional to 3,427,776,811.94, 4,730,849,074.41 and 2,090,442,758.18
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Solution
The fourth proportional to 3,427,776,811.94, 4,730,849,074.41 and 2,090,442,758.18 is: 2,885,126,345.80
Step by Step Solution
- Step 1: Write the proportion equation
3,427,776,811.94 : 4,730,849,074.41 = 2,090,442,758.18 : x - Step 2: Convert to fraction form
3,427,776,811.94/4,730,849,074.41 = 2,090,442,758.18/x - Step 3: Cross multiply
3,427,776,811.94x = 4,730,849,074.41 × 2,090,442,758.18 - Step 4: Simplify right side
3,427,776,811.94x = 9,889,569,187,642,941,440 - Step 5: Solve for x
x = 9,889,569,187,642,941,440/3,427,776,811.94 - Step 6: Final answer
x = 2,885,126,345.80
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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.