Finding the Fourth Proportional to 877,638,265,215.12, 1,316,141,567,418.50 and 303,798,462,467.70
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Solution
The fourth proportional to 877,638,265,215.12, 1,316,141,567,418.50 and 303,798,462,467.70 is: 455,588,367,575.98
Step by Step Solution
- Step 1: Write the proportion equation
877,638,265,215.12 : 1,316,141,567,418.50 = 303,798,462,467.70 : x - Step 2: Convert to fraction form
877,638,265,215.12/1,316,141,567,418.50 = 303,798,462,467.70/x - Step 3: Cross multiply
877,638,265,215.12x = 1,316,141,567,418.50 × 303,798,462,467.70 - Step 4: Simplify right side
877,638,265,215.12x = 399,841,784,571,569,033,445,376 - Step 5: Solve for x
x = 399,841,784,571,569,033,445,376/877,638,265,215.12 - Step 6: Final answer
x = 455,588,367,575.98
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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.