Finding the Fourth Proportional to 1,136,066,893.20, 1,567,506,060.68 and 690,017,833.08
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Solution
The fourth proportional to 1,136,066,893.20, 1,567,506,060.68 and 690,017,833.08 is: 952,062,895.06
Step by Step Solution
- Step 1: Write the proportion equation
1,136,066,893.20 : 1,567,506,060.68 = 690,017,833.08 : x - Step 2: Convert to fraction form
1,136,066,893.20/1,567,506,060.68 = 690,017,833.08/x - Step 3: Cross multiply
1,136,066,893.20x = 1,567,506,060.68 × 690,017,833.08 - Step 4: Simplify right side
1,136,066,893.20x = 1,081,607,135,326,730,496 - Step 5: Solve for x
x = 1,081,607,135,326,730,496/1,136,066,893.20 - Step 6: Final answer
x = 952,062,895.06
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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.