Finding the Fourth Proportional to 2,064,653,480.21, 2,849,563,508.56 and 1,218,087,771.71
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Solution
The fourth proportional to 2,064,653,480.21, 2,849,563,508.56 and 1,218,087,771.71 is: 1,681,162,721.86
Step by Step Solution
- Step 1: Write the proportion equation
2,064,653,480.21 : 2,849,563,508.56 = 1,218,087,771.71 : x - Step 2: Convert to fraction form
2,064,653,480.21/2,849,563,508.56 = 1,218,087,771.71/x - Step 3: Cross multiply
2,064,653,480.21x = 2,849,563,508.56 × 1,218,087,771.71 - Step 4: Simplify right side
2,064,653,480.21x = 3,471,018,464,470,686,720 - Step 5: Solve for x
x = 3,471,018,464,470,686,720/2,064,653,480.21 - Step 6: Final answer
x = 1,681,162,721.86
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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.