Finding the Fourth Proportional to 968,553,272,407.20, 1,336,644,122,213.30 and 557,022,072,416.75
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Solution
The fourth proportional to 968,553,272,407.20, 1,336,644,122,213.30 and 557,022,072,416.75 is: 768,713,812,910.33
Step by Step Solution
- Step 1: Write the proportion equation
968,553,272,407.20 : 1,336,644,122,213.30 = 557,022,072,416.75 : x - Step 2: Convert to fraction form
968,553,272,407.20/1,336,644,122,213.30 = 557,022,072,416.75/x - Step 3: Cross multiply
968,553,272,407.20x = 1,336,644,122,213.30 × 557,022,072,416.75 - Step 4: Simplify right side
968,553,272,407.20x = 744,540,279,038,920,116,666,368 - Step 5: Solve for x
x = 744,540,279,038,920,116,666,368/968,553,272,407.20 - Step 6: Final answer
x = 768,713,812,910.33
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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.