Finding the Fourth Proportional to 671,308,681.74, 1,007,118,800.73 and 211,234,893.54
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Solution
The fourth proportional to 671,308,681.74, 1,007,118,800.73 and 211,234,893.54 is: 316,901,357.66
Step by Step Solution
- Step 1: Write the proportion equation
671,308,681.74 : 1,007,118,800.73 = 211,234,893.54 : x - Step 2: Convert to fraction form
671,308,681.74/1,007,118,800.73 = 211,234,893.54/x - Step 3: Cross multiply
671,308,681.74x = 1,007,118,800.73 × 211,234,893.54 - Step 4: Simplify right side
671,308,681.74x = 212,738,632,654,334,016 - Step 5: Solve for x
x = 212,738,632,654,334,016/671,308,681.74 - Step 6: Final answer
x = 316,901,357.66
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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.