Finding the Fourth Proportional to 1,956,206,972.16, 2,700,804,798.72 and 1,214,438,158.08
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Solution
The fourth proportional to 1,956,206,972.16, 2,700,804,798.72 and 1,214,438,158.08 is: 1,676,693,955.07
Step by Step Solution
- Step 1: Write the proportion equation
1,956,206,972.16 : 2,700,804,798.72 = 1,214,438,158.08 : x - Step 2: Convert to fraction form
1,956,206,972.16/2,700,804,798.72 = 1,214,438,158.08/x - Step 3: Cross multiply
1,956,206,972.16x = 2,700,804,798.72 × 1,214,438,158.08 - Step 4: Simplify right side
1,956,206,972.16x = 3,279,960,405,091,141,632 - Step 5: Solve for x
x = 3,279,960,405,091,141,632/1,956,206,972.16 - Step 6: Final answer
x = 1,676,693,955.07
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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.