Finding the Fourth Proportional to 2,107,408,618.30, 3,159,887,610.57 and 797,411,867.71
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Solution
The fourth proportional to 2,107,408,618.30, 3,159,887,610.57 and 797,411,867.71 is: 1,195,654,160.00
Step by Step Solution
- Step 1: Write the proportion equation
2,107,408,618.30 : 3,159,887,610.57 = 797,411,867.71 : x - Step 2: Convert to fraction form
2,107,408,618.30/3,159,887,610.57 = 797,411,867.71/x - Step 3: Cross multiply
2,107,408,618.30x = 3,159,887,610.57 × 797,411,867.71 - Step 4: Simplify right side
2,107,408,618.30x = 2,519,731,881,298,313,216 - Step 5: Solve for x
x = 2,519,731,881,298,313,216/2,107,408,618.30 - Step 6: Final answer
x = 1,195,654,160.00
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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.