Finding the Fourth Proportional to 615,649,013.19, 849,596,457.74 and 333,391,941.09
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Solution
The fourth proportional to 615,649,013.19, 849,596,457.74 and 333,391,941.09 is: 460,081,322.51
Step by Step Solution
- Step 1: Write the proportion equation
615,649,013.19 : 849,596,457.74 = 333,391,941.09 : x - Step 2: Convert to fraction form
615,649,013.19/849,596,457.74 = 333,391,941.09/x - Step 3: Cross multiply
615,649,013.19x = 849,596,457.74 × 333,391,941.09 - Step 4: Simplify right side
615,649,013.19x = 283,248,612,187,459,776 - Step 5: Solve for x
x = 283,248,612,187,459,776/615,649,013.19 - Step 6: Final answer
x = 460,081,322.51
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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.