Finding the Fourth Proportional to 560,992,566.96, 774,154,889.64 and 313,475,955.12
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Solution
The fourth proportional to 560,992,566.96, 774,154,889.64 and 313,475,955.12 is: 432,588,518.52
Step by Step Solution
- Step 1: Write the proportion equation
560,992,566.96 : 774,154,889.64 = 313,475,955.12 : x - Step 2: Convert to fraction form
560,992,566.96/774,154,889.64 = 313,475,955.12/x - Step 3: Cross multiply
560,992,566.96x = 774,154,889.64 × 313,475,955.12 - Step 4: Simplify right side
560,992,566.96x = 242,678,943,440,717,184 - Step 5: Solve for x
x = 242,678,943,440,717,184/560,992,566.96 - Step 6: Final answer
x = 432,588,518.52
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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.