Finding the Fourth Proportional to 3,564,673,967.09, 4,919,761,630.62 and 2,135,801,502.29
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Solution
The fourth proportional to 3,564,673,967.09, 4,919,761,630.62 and 2,135,801,502.29 is: 2,947,712,575.84
Step by Step Solution
- Step 1: Write the proportion equation
3,564,673,967.09 : 4,919,761,630.62 = 2,135,801,502.29 : x - Step 2: Convert to fraction form
3,564,673,967.09/4,919,761,630.62 = 2,135,801,502.29/x - Step 3: Cross multiply
3,564,673,967.09x = 4,919,761,630.62 × 2,135,801,502.29 - Step 4: Simplify right side
3,564,673,967.09x = 10,507,634,281,562,298,368 - Step 5: Solve for x
x = 10,507,634,281,562,298,368/3,564,673,967.09 - Step 6: Final answer
x = 2,947,712,575.84
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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.