Finding the Fourth Proportional to 683,319,189.36, 1,026,613,955.32 and 438,156,154.02
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Solution
The fourth proportional to 683,319,189.36, 1,026,613,955.32 and 438,156,154.02 is: 658,282,731.31
Step by Step Solution
- Step 1: Write the proportion equation
683,319,189.36 : 1,026,613,955.32 = 438,156,154.02 : x - Step 2: Convert to fraction form
683,319,189.36/1,026,613,955.32 = 438,156,154.02/x - Step 3: Cross multiply
683,319,189.36x = 1,026,613,955.32 × 438,156,154.02 - Step 4: Simplify right side
683,319,189.36x = 449,817,222,326,271,296 - Step 5: Solve for x
x = 449,817,222,326,271,296/683,319,189.36 - Step 6: Final answer
x = 658,282,731.31
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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.