Finding the Fourth Proportional to 877,421,091.07, 1,316,131,556.71 and 386,134,360.62
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Solution
The fourth proportional to 877,421,091.07, 1,316,131,556.71 and 386,134,360.62 is: 579,201,505.77
Step by Step Solution
- Step 1: Write the proportion equation
877,421,091.07 : 1,316,131,556.71 = 386,134,360.62 : x - Step 2: Convert to fraction form
877,421,091.07/1,316,131,556.71 = 386,134,360.62/x - Step 3: Cross multiply
877,421,091.07x = 1,316,131,556.71 × 386,134,360.62 - Step 4: Simplify right side
877,421,091.07x = 508,203,617,145,344,896 - Step 5: Solve for x
x = 508,203,617,145,344,896/877,421,091.07 - Step 6: Final answer
x = 579,201,505.77
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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.