Finding the Fourth Proportional to 1,573,081,159.65, 2,170,856,383.07 and 858,623,164.17
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Solution
The fourth proportional to 1,573,081,159.65, 2,170,856,383.07 and 858,623,164.17 is: 1,184,902,358.76
Step by Step Solution
- Step 1: Write the proportion equation
1,573,081,159.65 : 2,170,856,383.07 = 858,623,164.17 : x - Step 2: Convert to fraction form
1,573,081,159.65/2,170,856,383.07 = 858,623,164.17/x - Step 3: Cross multiply
1,573,081,159.65x = 2,170,856,383.07 × 858,623,164.17 - Step 4: Simplify right side
1,573,081,159.65x = 1,863,947,576,585,911,808 - Step 5: Solve for x
x = 1,863,947,576,585,911,808/1,573,081,159.65 - Step 6: Final answer
x = 1,184,902,358.76
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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.