Finding the Fourth Proportional to 560,998,903.96, 774,163,636.84 and 313,482,292.12
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Solution
The fourth proportional to 560,998,903.96, 774,163,636.84 and 313,482,292.12 is: 432,597,264.70
Step by Step Solution
- Step 1: Write the proportion equation
560,998,903.96 : 774,163,636.84 = 313,482,292.12 : x - Step 2: Convert to fraction form
560,998,903.96/774,163,636.84 = 313,482,292.12/x - Step 3: Cross multiply
560,998,903.96x = 774,163,636.84 × 313,482,292.12 - Step 4: Simplify right side
560,998,903.96x = 242,686,591,352,558,496 - Step 5: Solve for x
x = 242,686,591,352,558,496/560,998,903.96 - Step 6: Final answer
x = 432,597,264.70
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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.