Finding the Fourth Proportional to 1,168,732,126,169.40, 1,612,850,299,165.40 and 647,886,224,707.71
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Solution
The fourth proportional to 1,168,732,126,169.40, 1,612,850,299,165.40 and 647,886,224,707.71 is: 894,082,970,723.02
Step by Step Solution
- Step 1: Write the proportion equation
1,168,732,126,169.40 : 1,612,850,299,165.40 = 647,886,224,707.71 : x - Step 2: Convert to fraction form
1,168,732,126,169.40/1,612,850,299,165.40 = 647,886,224,707.71/x - Step 3: Cross multiply
1,168,732,126,169.40x = 1,612,850,299,165.40 × 647,886,224,707.71 - Step 4: Simplify right side
1,168,732,126,169.40x = 1,044,943,491,344,971,528,667,136 - Step 5: Solve for x
x = 1,044,943,491,344,971,528,667,136/1,168,732,126,169.40 - Step 6: Final answer
x = 894,082,970,723.02
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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.