Finding the Fourth Proportional to 2,465,779,721.76, 3,698,275,864.19 and 718,573,767.75
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Solution
The fourth proportional to 2,465,779,721.76, 3,698,275,864.19 and 718,573,767.75 is: 1,077,745,914.79
Step by Step Solution
- Step 1: Write the proportion equation
2,465,779,721.76 : 3,698,275,864.19 = 718,573,767.75 : x - Step 2: Convert to fraction form
2,465,779,721.76/3,698,275,864.19 = 718,573,767.75/x - Step 3: Cross multiply
2,465,779,721.76x = 3,698,275,864.19 × 718,573,767.75 - Step 4: Simplify right side
2,465,779,721.76x = 2,657,484,021,906,302,464 - Step 5: Solve for x
x = 2,657,484,021,906,302,464/2,465,779,721.76 - Step 6: Final answer
x = 1,077,745,914.79
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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.