Finding the Fourth Proportional to 1,370,513,702,128.70, 1,891,354,266,482.70 and 753,238,299,810.88
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Solution
The fourth proportional to 1,370,513,702,128.70, 1,891,354,266,482.70 and 753,238,299,810.88 is: 1,039,493,782,377.16
Step by Step Solution
- Step 1: Write the proportion equation
1,370,513,702,128.70 : 1,891,354,266,482.70 = 753,238,299,810.88 : x - Step 2: Convert to fraction form
1,370,513,702,128.70/1,891,354,266,482.70 = 753,238,299,810.88/x - Step 3: Cross multiply
1,370,513,702,128.70x = 1,891,354,266,482.70 × 753,238,299,810.88 - Step 4: Simplify right side
1,370,513,702,128.70x = 1,424,640,472,025,483,081,416,704 - Step 5: Solve for x
x = 1,424,640,472,025,483,081,416,704/1,370,513,702,128.70 - Step 6: Final answer
x = 1,039,493,782,377.16
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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.