Finding the Fourth Proportional to 5,173,225,764.18, 7,139,050,450.74 and 2,794,363,726.05
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Solution
The fourth proportional to 5,173,225,764.18, 7,139,050,450.74 and 2,794,363,726.05 is: 3,856,221,345.71
Step by Step Solution
- Step 1: Write the proportion equation
5,173,225,764.18 : 7,139,050,450.74 = 2,794,363,726.05 : x - Step 2: Convert to fraction form
5,173,225,764.18/7,139,050,450.74 = 2,794,363,726.05/x - Step 3: Cross multiply
5,173,225,764.18x = 7,139,050,450.74 × 2,794,363,726.05 - Step 4: Simplify right side
5,173,225,764.18x = 19,949,103,617,988,759,552 - Step 5: Solve for x
x = 19,949,103,617,988,759,552/5,173,225,764.18 - Step 6: Final answer
x = 3,856,221,345.71
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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.