Finding the Fourth Proportional to 2,159,402,218.92, 2,979,974,335.91 and 1,169,327,635.92
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Solution
The fourth proportional to 2,159,402,218.92, 2,979,974,335.91 and 1,169,327,635.92 is: 1,613,671,744.33
Step by Step Solution
- Step 1: Write the proportion equation
2,159,402,218.92 : 2,979,974,335.91 = 1,169,327,635.92 : x - Step 2: Convert to fraction form
2,159,402,218.92/2,979,974,335.91 = 1,169,327,635.92/x - Step 3: Cross multiply
2,159,402,218.92x = 2,979,974,335.91 × 1,169,327,635.92 - Step 4: Simplify right side
2,159,402,218.92x = 3,484,566,345,306,065,920 - Step 5: Solve for x
x = 3,484,566,345,306,065,920/2,159,402,218.92 - Step 6: Final answer
x = 1,613,671,744.33
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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.