Finding the Fourth Proportional to 340,169,624.06, 469,579,186.68 and 228,725,062.46
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Solution
The fourth proportional to 340,169,624.06, 469,579,186.68 and 228,725,062.46 is: 315,738,152.99
Step by Step Solution
- Step 1: Write the proportion equation
340,169,624.06 : 469,579,186.68 = 228,725,062.46 : x - Step 2: Convert to fraction form
340,169,624.06/469,579,186.68 = 228,725,062.46/x - Step 3: Cross multiply
340,169,624.06x = 469,579,186.68 × 228,725,062.46 - Step 4: Simplify right side
340,169,624.06x = 107,404,528,803,299,008 - Step 5: Solve for x
x = 107,404,528,803,299,008/340,169,624.06 - Step 6: Final answer
x = 315,738,152.99
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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.